Add use cases

[ai]

Very interesting plugin, but I am very curious what is your plan to use it?

I think, if you will add some use cases to docs, people will use your amazing plugin more often.

[Mitsunee]

The idea is to enable easier customization of theme colors. For example if I want to change the transparency of a color I can set --my-color-A: 75% in the applicable selector. I will think about how to word it better and put an example.

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Edit: The original comment (above) is outdated as this library has gone through a rewrite and republishing. I am currently looking into making a website for more detailed docs so I can keep README files short(er) and still useful with more detailed examples on the site. I will publish more detailed use case examples there.