Thumbnail Graphics, Screen color options with brightness control

[nonyabizwax]

(>) Would like to see the thumbnail of the print displayed on the screen if possible . (>) Would like to see options to manipulate the colors of the screen as well as to (>) dim or brighten the display if possible.

[bigtreetech]

Duplicate of #12 #5 and others. Please reference the closed and open items for resolutions and future plans.