improvement for update-variations.py script

[joka42]

minor update for update-variations.py script that adapts dynamically to the given constants and is easier to read.

[SebastJava]

This looks good. I should test this later. Not now because i need to take a big pause. But i already have made a copy there: https://github.com/SebastJava/mint-yz-theme/tree/update-variation-improvement

This will allow creating a color palette with any given color names. No more fixed, unchangeable names. For example, we could just delete those "Brown" and "Sand", and replace them with 3 different blue tones... Focusing on the most popular colors.