feat: Support track feedback mechanism for scrobble clients

[FoxxMD]

Please check existing knowledge before opening an issue

• I have checked the documentation
• I have searched through existing issues and discussions.

Describe the new functionality

Based on #546

Enable endpoint sources for Last.fm and Listenbrainz to accept requests and pass through "love" information to clients that also support this functionality:

• last.fm track.love
• listenbrainz recording-feedback
• (TBA) [Enhancement] Loving tracks gabehf/Koito#104
• rocksky like a song

Configuration Example

Will you help implement it?

• I am willing to contribute code towards completing this feature
• I am willing to help test preview builds for this feature