* feat: Add listenbrainz base url configuration
- ListenBrainz.BaseURL config value
* Don't need to store baseUrl
* Use `url.JoinPath` to concatenate url paths
* Replace url.JoinPath (Go 1.19 only) with custom function
Co-authored-by: Deluan <deluan@navidrome.org>
* Refactor session_keys to its own package
* Adjust play_tracker
- Don't send external NowPlaying/Scrobble for tracks with unknown artist
- Continue to the next agent on error
* Implement ListenBrainz Agent and Auth Router
* Implement frontend for ListenBrainz linking
* Update listenBrainzRequest
- Don't marshal Player to json
- Rename Track to Title
* Return ErrRetryLater on ListenBrainz server errors
* Add tests for listenBrainzAgent
* Add tests for ListenBrainz Client
* Adjust ListenBrainzTokenDialog to handle errors better
* Refactor listenbrainz.formatListen and listenBrainzRequest structs
* Refactor agent auth_routers
* Refactor session_keys to agents package
* Add test for listenBrainzResponse
* Add tests for ListenBrainz auth_router
* Update ListenBrainzTokenDialog and auth_router
* Adjust player scrobble toggle
jan666