Removed tomp3 and tomp4 routes, replaced with /downloadFile
Simplified category->playlist conversion
Simplified playlist creation
Simplified file deletion
Playlist duration calculation is now done on the backend (categories uses this now too)
removeIDFromArchive moved from subscriptions->utils
Added plumbing to support type agnostic playlists
added the ability to create playlists in the gui through a new dialog
reloading mp3s/mp4s doesn't cause an image refresh anymore when the list is unchanged
fixed loading spinner of available formats so it now only shows when it is loading the current url
file card images now don't show when errored or thumbnailurl doesn't exist