re-write whole plugin

added features to have local nvchad themes, override specific colors aka variables in nvchad themes

lua/hl_themes/tomorrow-night.lua

@@ -1,35 +0,0 @@
-local colors = {
-   white = "#C5C8C2",
-   darker_black = "#191b1d",
-   black = "#1d1f21", -- nvim bg
-   black2 = "#232527",
-   one_bg = "#363a41",
-   one_bg2 = "#353b45",
-   one_bg3 = "#30343c",
-   grey = "#434547",
-   grey_fg = "#545B68",
-   grey_fg2 = "#616875",
-   light_grey = "#676e7b",
-   red = "#cc6666",
-   baby_pink = "#FF6E79",
-   pink = "#ff9ca3",
-   line = "#27292b", -- for lines like vertsplit
-   green = "#a4b595",
-   vibrant_green = "#a3b991",
-   nord_blue = "#728da8",
-   blue = "#6f8dab",
-   yellow = "#d7bd8d",
-   sun = "#e4c180",
-   purple = "#b4bbc8",
-   dark_purple = "#b290ac",
-   teal = "#8abdb6",
-   orange = "#DE935F",
-   cyan = "#70c0b1",
-   statusline_bg = "#212326",
-   lightbg = "#373B41",
-   lightbg2 = "#2D3035",
-   pmenu_bg = "#a4b595",
-   folder_bg = "#6f8dab",
-}
-
-return colors