Implement colorblind mode

[drillskibo]

• Add a setting in main menu as well as in game
• Change rendered color based on setting

Important

Keep in mind the different types of colorblindness

• Deuteranopic
• Protanopic
• Tritanopic

[drillskibo]

Feature requested by multiple people including here or here for example.

[VariableVince]

Also see these posts (which may link to the two posts above but also contain other bits).

https://discord.com/channels/1359946986937258015/1369888079464103999

https://discord.com/channels/1359946986937258015/1378188266842619904

And the conversation starting here up until 2.5 hours after it, with helpful info:
https://discord.com/channels/1359946986937258015/1360078040222142564/1370207084179755008

[iiamlewis]

Duplicate issue. Will be continued on the main one when created.

[VariableVince]

('if created', how can an Issue be a duplicate if 'the main one' hasn't been created yet? Please make sure there is indeed already an existing issue before closing one? @iiamlewis)