Add custom (re-usable) playlists

[AlphaGameDeveloper]

Maybe add playlists, like
/playlist (or /pl)
/pl create (name:string)
/pl add (name:string)
/pl delete (name:string)
and /pl use (name:string)
etc.
and add the function to chop in chapters with large videos (like this

[codetheweb]

does the favorites feature work for this?