Colorblind modes

This feature will introduce a new settings in the app that changes the color scheme for the entire application. Changes: Global colorblind mode setting where you can set the default color mode. Colorblind mode setting for each overlay where you can override the default color mode Colorblind modes to choose from default / normal red-green (green weak, deuternopia) red-green (red weak, protanopia) blue-yellow (tritanopia) See example in the attached pictures of head2head overlay.