Add support for Jiosaavn

[shuvashish76]

Website: https://www.jiosaavn.com/
Wikipedia: https://en.wikipedia.org/wiki/JioSaavn
Unofficial API: https://github.com/sumitkolhe/jiosaavn-api
yt-dlp already supports it: https://github.com/yt-dlp/yt-dlp#jiosaavn

[sjdonado]

Sounds doable thanks to the unofficial API, I will work on it next week