[Feature request]: Multi display support

[aleksasp]

Suggestion

Would be great to have option to have player and playlist support multiple displays. Now cant even run two instances of gridplayer to use both displays.

[Robbedush]

Would be great if dual monitor use could be added to the command line and add a parameter to select a playlist to display on a specific monitor like --monitor1:C:\Playlists\playlist1 --monitor2:C:\Playlists\playlist2 --FullScreen