Sonos Subs wót Jeramai

Enhances the Sonos Web App by displaying song lyrics and more helpful features.

Current features:
- Adds a button to show lyrics of the current song.
- Adds "scroll-to-adjust" to the volume sliders.
- Adds optional notifications for when a new song starts playing.
- Adds audio controls in the popup.

How to see lyrics:
1. Open the Sonos Web Player (https://play.sonos.com/)
2. Click the lyrics icon on the top right
3. Enjoy!

How to disable notifications:
1. Click the extension icon in your browser
2. Toggle the "Song Notifications" off

Got ideas for anything you would like added?
Please let me know and I will try to make it happen!