feat(palette): add jellybeans-hc-light high-contrast light variant

feat(extras): add extras for hc and warm palettes

feat(highlights): MsgSeparator

feat(groups): remove underline for treesitter-context

build(.lazy.lua): chage default theme for dev

feat: support winbar hl (#35)

docs: README rewrite

feat(groups): add diffview and render_markdown

fix(editor): apply cursor_line_nr fg from palette

feat(palettes): add _hc and _warm variants

fix(groups): fix broken flat_ui logic

fix(highlights): preserve blink popup bg for mono

fix(lualine): rename to avoid naming collision

feat(extras): update ghostty extras

feat(config): add option to disable all bolding styles