[FEATURE] support for librespot and ncspot

[pfr-dev]

I use ncspot instead of spotifys web player or spotify-tui (which uses spotifyd

I noticed there is already a request for support for spotifyd, so I'm here to request support for ncspot which useslibrespot

[aadibajpai]

I'd be more than happy to do it, but I am not sure how. It would require if spotifyd or ncspot expose a way to get the currently playing info from them