Youtube Music Ratings

See the song's popularity right next to the name!

The extension's settings are super customizable:
- You can pick which scale use to calculate the ratings
- You can pick which emoji or character use to show the results
- It also supports using a personal Youtube v3 API key (under advanced settings).

Last, as a small detail, you can hover over the ratings to see the number of listens each song has.

Original idea comes from the now missed Google Play Music store.

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Known bugs:
- If the stars aren't appearing, try opening the extension Settings > Advanced > Restore Selectors. If they still don't appear, please let me know opening a GitHub issue
- Going back in your history feed doesn't re-add the stats
- If a playlist contains over forty-ish elements, Youtube Music might not render all the songs at once, and the extension can't add those ratings (it's just a visual bug, the ones that worked as expected will still be mathematically correct)