Adds numbers to songs in spotify playlists and albums.
DISCLAIMER: This extension is NOT an offical extension from Spotify. This extension adds numbers to the songs in your spotify playlists, songs (collection) and albums. Configurable using the icon in your browser (see 4th screenshot). If the extension stops working, let me know (email below). This extension is Open Source and can be found here: https://github.com/LinusCDE/Numberfy