Fix cover and missing featurings

[Faeb35]

As this is the best Spotify ripper and it has some issues I'm not able to fix, I wrote a PowerShell script to

1. Get the covers and embed it into the MP3
2. Get additional artists and add them as featuring

https://github.com/Faeb35/PowerShell-MP3-ID3-Tag-Scripts/blob/master/GetSpotifyCoverAndFeatForAlbumsByUri.ps1