diff --git a/app/build.gradle b/app/build.gradle
index 26d2a0a17..a179fe9f9 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -145,6 +145,7 @@ dependencies {
     implementation 'androidx.vectordrawable:vectordrawable:1.1.0'
     implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
     implementation 'androidx.palette:palette:1.0.0'
+    implementation 'androidx.work:work-runtime:2.4.0'
 
     implementation 'com.google.android.material:material:1.1.0'
 
diff --git a/gradle/verification-metadata.xml b/gradle/verification-metadata.xml
index a0a56000a..d5aae5a02 100644
--- a/gradle/verification-metadata.xml
+++ b/gradle/verification-metadata.xml
@@ -79,7 +79,10 @@
          <trusted-key id="afcc4c7594d09e2182c60e0f7a01b0f236e5430f" group="com.google.code.gson"/>
          <trusted-key id="b6e73d84ea4fcc47166087253faad2cd5ecbb314" group="org.apache.commons"/>
          <trusted-key id="b801e2f8ef035068ec1139cc29579f18fa8fd93b" group="com.google.j2objc" name="j2objc-annotations" version="1.1"/>
-         <trusted-key id="bdb5fa4fe719d787fb3d3197f6d4a1d411e9d1ae" group="com.google.guava" name="listenablefuture" version="9999.0-empty-to-avoid-conflict-with-guava"/>
+         <trusted-key id="bdb5fa4fe719d787fb3d3197f6d4a1d411e9d1ae">
+            <trusting group="com.google.guava" name="listenablefuture" version="9999.0-empty-to-avoid-conflict-with-guava"/>
+            <trusting group="com.google.guava" name="listenablefuture"/>
+         </trusted-key>
          <trusted-key id="c7be5bcc9fec15518cfda882b0f3710fa64900e7" group="com.google.auto.value"/>
          <trusted-key id="cacfbd4755a2fc78709bdd92be096e29edb8d141" group="net.sf.proguard"/>
          <trusted-key id="cb3190ca7842439e57f3712e44ce7bf2825ea2cd" group="com.ibm.icu" name="icu4j" version="53.1"/>
@@ -346,6 +349,11 @@
             <sha256 value="a84842ffc0f14e518db75c05cc112680a8a4a164fa78395be32d88304a439423" origin="Generated by Gradle because artifact wasn't signed"/>
          </artifact>
       </component>
+      <component group="androidx.lifecycle" name="lifecycle-livedata" version="2.1.0">
+         <artifact name="lifecycle-livedata-2.1.0.aar">
+            <sha256 value="242e446bed3db36f0df0aab0cb7f91060bd2dab7adcad1117adf54e724cd1d26" origin="Generated by Gradle because artifact wasn't signed"/>
+         </artifact>
+      </component>
       <component group="androidx.lifecycle" name="lifecycle-livedata-core" version="2.2.0">
          <artifact name="lifecycle-livedata-core-2.2.0.aar">
             <sha256 value="556c1f3af90aa9d7d0d330565adbf6da71b2429148bac91e07c485f4f9abf614" origin="Generated by Gradle because artifact wasn't signed"/>
@@ -367,6 +375,11 @@
             <sha256 value="7f154066fed1c9162870f728b208352831b3d1f8f23f5d388958a50ca4e9f441" origin="Generated by Gradle because artifact wasn't signed"/>
          </artifact>
       </component>
+      <component group="androidx.lifecycle" name="lifecycle-service" version="2.1.0">
+         <artifact name="lifecycle-service-2.1.0.aar">
+            <sha256 value="23516745f34f16ff7850bb1eadd55cf193dd789cba428de4bca120433e3bfd69" origin="Generated by Gradle because artifact wasn't signed"/>
+         </artifact>
+      </component>
       <component group="androidx.lifecycle" name="lifecycle-viewmodel" version="2.2.0">
          <artifact name="lifecycle-viewmodel-2.2.0.aar">
             <sha256 value="967efab24d6c49dd414a8c0ac4a1cd09b018f0b8bb43b739ad360c4158ebde27" origin="Generated by Gradle because artifact wasn't signed"/>
@@ -439,6 +452,16 @@
             <sha256 value="fe321062a6e4e168b9c2b39a1137564c8784a2e5849402729768d5d7c4d972ef" origin="Generated by Gradle because artifact wasn't signed"/>
          </artifact>
       </component>
+      <component group="androidx.room" name="room-common" version="2.2.5">
+         <artifact name="room-common-2.2.5.jar">
+            <sha256 value="2b130dd4a1d3d91b6701ed33096d389f01c4fc1197a7acd6b91724ddc5acfc06" origin="Generated by Gradle because artifact wasn't signed"/>
+         </artifact>
+      </component>
+      <component group="androidx.room" name="room-runtime" version="2.2.5">
+         <artifact name="room-runtime-2.2.5.aar">
+            <sha256 value="24a5549b796e43e337513d2908adac67f45350d9a90bca7e2e6120692140bb14" origin="Generated by Gradle because artifact wasn't signed"/>
+         </artifact>
+      </component>
       <component group="androidx.savedstate" name="savedstate" version="1.0.0">
          <artifact name="savedstate-1.0.0.aar">
             <sha256 value="2510a5619c37579c9ce1a04574faaf323cd0ffe2fc4e20fa8f8f01e5bb402e83" origin="Generated by Gradle because artifact wasn't signed"/>
@@ -455,6 +478,16 @@
             <sha256 value="40e90f96838c2a8156ab51b181400767049f387cec8c695e412d3d9205b0745b" origin="Generated by Gradle because artifact wasn't signed"/>
          </artifact>
       </component>
+      <component group="androidx.sqlite" name="sqlite" version="2.1.0">
+         <artifact name="sqlite-2.1.0.aar">
+            <sha256 value="8341ff092d6060d62a07227f29237155fff36fb16f96c95fbd9a884e375db912" origin="Generated by Gradle because artifact wasn't signed"/>
+         </artifact>
+      </component>
+      <component group="androidx.sqlite" name="sqlite-framework" version="2.1.0">
+         <artifact name="sqlite-framework-2.1.0.aar">
+            <sha256 value="8673737fdb2efbad91aeaeed1927ebb29212d36a867d93b9639c8069019f8a1e" origin="Generated by Gradle because artifact wasn't signed"/>
+         </artifact>
+      </component>
       <component group="androidx.swiperefreshlayout" name="swiperefreshlayout" version="1.0.0">
          <artifact name="swiperefreshlayout-1.0.0.aar">
             <sha256 value="9761b3a809c9b093fd06a3c4bbc645756dec0e95b5c9da419bc9f2a3f3026e8d" origin="Generated by Gradle because artifact wasn't signed"/>
@@ -610,6 +643,11 @@
             <sha256 value="4063bca7fe94fe65c98f4168f97ae10e02da0248598ad3ac21c432c7f608a17a" origin="Generated by Gradle because artifact wasn't signed"/>
          </artifact>
       </component>
+      <component group="androidx.work" name="work-runtime" version="2.4.0">
+         <artifact name="work-runtime-2.4.0.aar">
+            <sha256 value="7801441cb973fb007ef311d3db35c3b3c9d011cef890357e7ca33890833354e5" origin="Generated by Gradle because artifact wasn't signed"/>
+         </artifact>
+      </component>
       <component group="antlr" name="antlr" version="2.7.7">
          <artifact name="antlr-2.7.7.jar">
             <sha256 value="88fbda4b912596b9f56e8e12e580cc954bacfb51776ecfddd3e18fc1cf56dc4c" origin="Generated by Gradle because artifact wasn't signed"/>
@@ -768,6 +806,9 @@
          <artifact name="aapt2-3.6.3-6040484-linux.jar">
             <sha256 value="1e2fcdbe75c2c74c6f9ae841e032fd1c803d30f59505d657b3dbcec1cecf961b" origin="Generated by Gradle because artifact wasn't signed"/>
          </artifact>
+         <artifact name="aapt2-3.6.3-6040484-windows.jar">
+            <sha256 value="82ea931921dede9d6a5e6a6735c99b4f289fd9e6951da54453c3b32c3684d82a" origin="Generated by Gradle because artifact wasn't signed"/>
+         </artifact>
          <artifact name="aapt2-3.6.3-6040484.pom">
             <sha256 value="cc6e7d9c35677382afdbce47d5e81e683bee37a9af8a595fcab3b8948f7d3d51" origin="Generated by Gradle because artifact wasn't signed"/>
          </artifact>
@@ -854,6 +895,7 @@
       </component>
       <component group="com.android.tools.build" name="transform-api" version="2.0.0-deprecated-use-gradle-api">
          <artifact name="transform-api-2.0.0-deprecated-use-gradle-api.jar">
+            <pgp value="3872ed7d5904493d23d78fa2c4c8cb73b1435348"/>
             <sha256 value="e8b4151ae1679f1abe7a14ee371ac9b3c651ae7b63290d1f586bdd0f78face9a" origin="Generated by Gradle"/>
          </artifact>
          <artifact name="transform-api-2.0.0-deprecated-use-gradle-api.pom">
@@ -1143,6 +1185,7 @@
       </component>
       <component group="com.google.code.findbugs" name="jsr305" version="3.0.2">
          <artifact name="jsr305-3.0.2.jar">
+            <pgp value="7616eb882daf57a11477aaf559a252fb1199d873"/>
             <sha256 value="766ad2a0783f2687962c8ad74ceecc38a28b9f72a2d085ee438b7813e928d0c7" origin="Generated by Gradle"/>
          </artifact>
          <artifact name="jsr305-3.0.2.pom">
@@ -1173,6 +1216,7 @@
       </component>
       <component group="com.google.errorprone" name="error_prone_annotations" version="2.2.0">
          <artifact name="error_prone_annotations-2.2.0.jar">
+            <pgp value="e77417ac194160a3fabd04969a259c7ee636c5ed"/>
             <sha256 value="6ebd22ca1b9d8ec06d41de8d64e0596981d9607b42035f9ed374f9de271a481a" origin="Generated by Gradle"/>
          </artifact>
          <artifact name="error_prone_annotations-2.2.0.pom">
@@ -1181,6 +1225,7 @@
       </component>
       <component group="com.google.errorprone" name="error_prone_annotations" version="2.3.1">
          <artifact name="error_prone_annotations-2.3.1.jar">
+            <pgp value="7f36e793ae3252e5d9e9b98fee9e7dc9d92fc896"/>
             <sha256 value="10a5949aa0f95c8de4fd47edfe20534d2acefd8c224f8afea1f607e112816120" origin="Generated by Gradle"/>
          </artifact>
          <artifact name="error_prone_annotations-2.3.1.pom">
@@ -1306,6 +1351,7 @@
       </component>
       <component group="com.google.j2objc" name="j2objc-annotations" version="1.1">
          <artifact name="j2objc-annotations-1.1.jar">
+            <pgp value="b801e2f8ef035068ec1139cc29579f18fa8fd93b"/>
             <sha256 value="2994a7eb78f2710bd3d3bfb639b2c94e219cedac0d4d084d516e78c16dddecf6" origin="Generated by Gradle"/>
          </artifact>
          <artifact name="j2objc-annotations-1.1.pom">
@@ -1387,6 +1433,7 @@
       </component>
       <component group="com.googlecode.juniversalchardet" name="juniversalchardet" version="1.0.3">
          <artifact name="juniversalchardet-1.0.3.jar">
+            <pgp value="31bae2e51d95e0f8ad9b7bcc40a3c4432bd7308c"/>
             <sha256 value="757bfe906193b8b651e79dc26cd67d6b55d0770a2cdfb0381591504f779d4a76" origin="Generated by Gradle"/>
          </artifact>
          <artifact name="juniversalchardet-1.0.3.pom">
@@ -1463,6 +1510,7 @@
       </component>
       <component group="com.sun.activation" name="javax.activation" version="1.2.0">
          <artifact name="javax.activation-1.2.0.jar">
+            <pgp value="4f7e32d440ef90a83011a8fc6425559c47cc79c4"/>
             <sha256 value="993302b16cd7056f21e779cc577d175a810bb4900ef73cd8fbf2b50f928ba9ce" origin="Generated by Gradle"/>
          </artifact>
          <artifact name="javax.activation-1.2.0.pom">
@@ -1535,6 +1583,7 @@
       </component>
       <component group="commons-codec" name="commons-codec" version="1.10">
          <artifact name="commons-codec-1.10.jar">
+            <pgp value="2db4f1ef0fa761ecc4ea935c86fdc7e2a11262cb"/>
             <sha256 value="4241dfa94e711d435f29a4604a3e2de5c4aa3c165e23bd066be6fc1fc4309569" origin="Generated by Gradle"/>
          </artifact>
          <artifact name="commons-codec-1.10.pom">
@@ -1552,6 +1601,7 @@
       </component>
       <component group="commons-io" name="commons-io" version="2.4">
          <artifact name="commons-io-2.4.jar">
+            <pgp value="2db4f1ef0fa761ecc4ea935c86fdc7e2a11262cb"/>
             <sha256 value="cc6a41dc3eaacc9e440a6bd0d2890b20d36b4ee408fe2d67122f328bb6e01581" origin="Generated by Gradle"/>
          </artifact>
          <artifact name="commons-io-2.4.pom">
@@ -1569,6 +1619,7 @@
       </component>
       <component group="commons-logging" name="commons-logging" version="1.2">
          <artifact name="commons-logging-1.2.jar">
+            <pgp value="0cc641c3a62453ab390066c4a41f13c999945293"/>
             <sha256 value="daddea1ea0be0f56978ab3006b8ac92834afeefbd9b7e4e6316fca57df0fa636" origin="Generated by Gradle"/>
          </artifact>
          <artifact name="commons-logging-1.2.pom">
@@ -1611,6 +1662,7 @@
       </component>
       <component group="it.unimi.dsi" name="fastutil" version="7.2.0">
          <artifact name="fastutil-7.2.0.jar">
+            <pgp value="8254180bfc943b816e0b5e2e5e2f2b3d474efe6b"/>
             <sha256 value="74fa208043740642f7e6eb09faba15965218ad2f50ce3020efb100136e4b591c" origin="Generated by Gradle"/>
          </artifact>
          <artifact name="fastutil-7.2.0.pom">
@@ -1752,6 +1804,7 @@
       </component>
       <component group="net.sf.jopt-simple" name="jopt-simple" version="4.9">
          <artifact name="jopt-simple-4.9.jar">
+            <pgp value="517b94f8d0a46317a28d8ab30da8a5ec02d11ead"/>
             <sha256 value="26c5856e954b5f864db76f13b86919b59c6eecf9fd930b96baa8884626baf2f5" origin="Generated by Gradle"/>
          </artifact>
          <artifact name="jopt-simple-4.9.pom">
@@ -1916,6 +1969,7 @@
       </component>
       <component group="org.apache.commons" name="commons-compress" version="1.12">
          <artifact name="commons-compress-1.12.jar">
+            <pgp value="ce8075a251547bee249bc151a2115ae15f6b8b72"/>
             <sha256 value="2c1542faf343185b7cab9c3d55c8ae5471d6d095d3887a4adefdbdf2984dc0b6" origin="Generated by Gradle"/>
          </artifact>
          <artifact name="commons-compress-1.12.pom">
@@ -2195,6 +2249,7 @@
       </component>
       <component group="org.checkerframework" name="checker-qual" version="2.5.2">
          <artifact name="checker-qual-2.5.2.jar">
+            <pgp value="19beab2d799c020f17c69126b16698a4adf4d638"/>
             <sha256 value="64b02691c8b9d4e7700f8ee2e742dce7ea2c6e81e662b7522c9ee3bf568c040a" origin="Generated by Gradle"/>
          </artifact>
          <artifact name="checker-qual-2.5.2.pom">
@@ -2224,6 +2279,7 @@
       </component>
       <component group="org.codehaus.groovy" name="groovy-all" version="2.4.15">
          <artifact name="groovy-all-2.4.15.jar">
+            <pgp value="7faa0f2206de228f0db01ad741321490758aad6f"/>
             <sha256 value="51d6c4e71782e85674239189499854359d380fb75e1a703756e3aaa5b98a5af0" origin="Generated by Gradle"/>
          </artifact>
          <artifact name="groovy-all-2.4.15.pom">
@@ -2242,6 +2298,7 @@
       </component>
       <component group="org.codehaus.mojo" name="animal-sniffer-annotations" version="1.17">
          <artifact name="animal-sniffer-annotations-1.17.jar">
+            <pgp value="f254b35617dc255d9344bcfa873a8e86b4372146"/>
             <sha256 value="92654f493ecfec52082e76354f0ebf87648dc3d5cec2e3c3cdb947c016747a53" origin="Generated by Gradle"/>
          </artifact>
          <artifact name="animal-sniffer-annotations-1.17.pom">
@@ -2374,6 +2431,7 @@
       </component>
       <component group="org.jdom" name="jdom2" version="2.0.6">
          <artifact name="jdom2-2.0.6.jar">
+            <pgp value="5897253bea3046aeea95a067e93671c7272b7b3f"/>
             <sha256 value="1345f11ba606d15603d6740551a8c21947c0215640770ec67271fe78bea97cf5" origin="Generated by Gradle"/>
          </artifact>
          <artifact name="jdom2-2.0.6.pom">
@@ -2382,6 +2440,7 @@
       </component>
       <component group="org.jetbrains" name="annotations" version="13.0">
          <artifact name="annotations-13.0.jar">
+            <pgp value="2e3a1affe42b5f53af19f780bcf4173966770193"/>
             <sha256 value="ace2a10dc8e2d5fd34925ecac03e4988b2c0f851650c94b8cef49ba1bd111478" origin="Generated by Gradle"/>
          </artifact>
          <artifact name="annotations-13.0.pom">