* Remove older shpotify code from the macOS plugin
* Add Shpotify 2.0.1 from the upstream repository at https://github.com/hnarayanan/shpotify/releases/tag/2.0.1
* Wrap the Shpotify script in a function and import into the macOS plugin
* Fix import path of the shpotify script
* Add shpotify permission notice in the macos plugin rREADME
* Merge with the upstream shpotify project
- Fix playlist playback
- Add a 'stop' command
