Add The Indie Beat as a radio service

[andypiper]

The Indie Beat is bringing music from the Fediverse to the internet - it would be amazing to have it added as a supported RadioService in Strawberry.

I built a small GNOME Shell app, and a Python app, just for streaming it; my Qt/C++ is way outdated so I'm probably not the best person to actually build this for Strawberry.

More at https://theindiebeat.fm/resources/

[jonaski]

https://forum.strawberrymusicplayer.org/category/6/feature-suggestions