28.3-ls67

LinuxServer Changes:

Enabled librespot. Disabled spotify on ARMv7

owntone-server Changes:

• web UI improvements, e.g.:
  • composer views
  • partial scan (e.g. only update RSS feeds)
  • fix http stream button not clickable in mobile view
  • fix Spotify playlists not showing
  • handling of not playable Spotify tracks
  • handling of podcast play counts
• support for Spotify podcasts
• updates for ffmpeg 5
• better Spotify logout
• user "usermark" field for user flagging of various track states
• fix for 0-byte files crashing ffmpeg
• fix metadata pipe deadlock and artwork memleak-on-error
• better handling of Spotify disconnects
• fix rare Airplay pairing error
• many minor error handling fixes