Fast indexing (#58)

* Made method to getting singular media details; Renamed other related method

* Takes a fun and flirty digression to remove abstractions around yt-dlp since I'm 100% committed to using it exclusively

* Removed commented test code

* Lays the groundwork for fast indexing

* Added module for working with youtube RSS feed

* Added methods to kick off indexing workers from RSS response

* Improve short detection (#59)

* Made media attribute-related yt-dlp calls return a struct

* Added shorts attribute to media items

* Added ability to discern a short from yt-dlp response

* Updated search to use new shorts attribute

* Fast index UI (#63)

* Added fast_index field and adds it to source form

* Added fast indexing to source changeset operations

* Added fast indexing worker and updated other modules to start using it

* Handled fast index worker on source update

* Add support modals (#65)

* Added fast indexing upgrade modal

* Improved modal on smaller screens

* Updated links to work again

* Added donation modal

* Reverted source fast index to 15 minutes

* Removed unneeded HTML attributes from old alpine approach

test/test_helper.exs

@@ -1,4 +1,4 @@
-Mox.defmock(YtDlpRunnerMock, for: Pinchflat.MediaClient.Backends.BackendCommandRunner)
+Mox.defmock(YtDlpRunnerMock, for: Pinchflat.YtDlp.Backend.BackendCommandRunner)
 Application.put_env(:pinchflat, :yt_dlp_runner, YtDlpRunnerMock)
 
 Mox.defmock(HTTPClientMock, for: Pinchflat.HTTP.HTTPBehaviour)