How do I add my colormap library to clib?

[OetkenPurveyorOfCode]

My colormap repository (a C port of an existing C++ version):
https://github.com/OetkenPurveyorOfCode/tinycolormap

[diasbruno]

@OetkenPurveyorOfCode Users are allowed to edit the clib's wiki. Maintainers always receives notification when it's edited, so it's safe.