Overhaul of application.

• Separated from YouTube Explode codebase and switched to yt-dlp
• yt-dlp will also handle all mp3 conversions
• Support pulling multiple albums from artist on YouTube Music instead of one album at a time
• Internally built album pulling from YouTube Music
• Support for cookies (required for yt-dlp to work properly)
• Added guide on cookie support
• Updated right-click menu to support updating the selected artist, album, or song
• Improved conversion status updates
• Improved tagging logic