[Feature Request] Handle text style

[CleoMenezesJr]

Hey, great colorschemes. Is there any possibility to add options for text type, for example Kanagawa does it like this:
https://github.com/rebelot/kanagawa.nvim/blob/1749cea392acb7d1548a946fcee1e6f1304cd3cb/README.md?plain=1#L55C1-L58C37