Add support for DRTV app as a custom controller

[mchro]

Notably, the app requires two JWTs ("session tokens") to allow playback. These can either be retrieved from a browser and given (expiry seem to not be critical), or alternatively retrieval of an anonymous token using Selenium will be attempted.

[emontnemery]

but left the Selenium way in the example code

That's fine. Unless it's trivial, please amend the example with instructions on how to setup selenium and so on.

[mchro]

but left the Selenium way in the example code

That's fine. Unless it's trivial, please amend the example with instructions on how to setup selenium and so on.

Should be pretty trivial, just needs the Python module selenium and Chromium. I'll link the official module.