Add a page to features apps built with this

[browniebroke]

Starting point: https://github.com/browniebroke/deezer-python/network/dependents. Gives for instance:

• https://github.com/jnth/soco-deezer-plugin
• https://github.com/IRISIB/JukeBox

[Gyarbij]

I think now would be a lovely time to add it as it's only grown... a lot... since then.

[jonbng]

You can add Music Assistant if this becomes a thing 😃