feat: add MiniIcons highlight groups for colored file icons

fix: best contrast

fix: remove underline

fix: highlighting

fix: better git diff

Update README.md

fix: readme

fix: better blur colors

fix: editor statusline background

fix: lualine middle color

fix: editor background

fix: lualine middle color

fix: correct colors

Add kudos to @dgox16 for project inspiration in README

fix: variant lualine