Implementing the bare bones of a generic "peer finder" framework. This
may or may not eventuate to something which can live in its own library
and be used by other projects. Might go hand in hand with Carries idea
of having a common UI to be shared among projects.
Got Bluetooth and Bonjour kinda working, but the UI is crud,
and it doesn't remove items and ends up with duplicates. Otherwise,
on our way to a proper "nearby peers" screen.
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