[Feature Request] Subsonic API suppprt

[snarkeh]

Is your feature request related to a problem? Please describe.

Jmusicbot currently doesnt have Subsonic API support.

What is your ideal solution to the problem?

Include support for Subsonic API.

How would this feature be used?

1. Ability to play music/playlists/podcasts from a subsonic API supported/forked music streaming servers like Subsonic, Libresonic, Airsonic, Navidrome etc.

Additional Info

No response

Checklist

• I have checked the documentation to make sure this feature doesn't already exist
• I have searched for similar feature requests
• I have confirmed that my requests is not on the list of things that will not be added
• I am running the latest version of the bot:

[jagrosh]

New source requests should be made to lavaplayer or implemented in a standalone source manager; this is not something that JMusicBot would be providing exclusively.

[tdsotm]

@snarkeh Did you ever find a bot that supports subsonic api? I have a navidrome instance that I use all the time, and would love it if I could stream on Discord.

[ThePowerOfElectricity]

@tdsotm A quick google search returned: https://github.com/OpenSrcerer/supersonic