Changing color theme

[aleksarias]

Checklist

• [X] There are no similar issues or pull requests for this yet.

Is your feature related to a problem? Please describe.

This feature request is not related to a problem.

Describe the solution you would like.

I would like to see some documentation on how the color theme can be changed.

Describe alternatives you considered

I've tried searching for how other repos have done this and so far it appears like this is a custom implementation.

Additional context

No response