re-write whole plugin

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

lua/hl_themes/gruvchad.lua

@@ -1,4 +1,6 @@
-local colors = {
+local M = {}
+
+M.base_30 = {
    white = "#c7b89d",
    darker_black = "#1a1d1e",
    black = "#1e2122", --  nvim bg
@@ -32,4 +34,25 @@ local colors = {
    folder_bg = "#6d8dad",
 }
 
-return colors
+M.base_16 = {
+   base0A = "#e0c080",
+   base04 = "#d4be98",
+   base07 = "#c7b89d",
+   base05 = "#c0b196",
+   base0E = "#d3869b",
+   base0D = "#7daea3",
+   base0C = "#86b17f",
+   base0B = "#a9b665",
+   base02 = "#36393a",
+   base0F = "#d65d0e",
+   base03 = "#404344",
+   base08 = "#ec6b64",
+   base01 = "#2c2f30",
+   base00 = "#1e2122",
+   base09 = "#e78a4e",
+   base06 = "#c3b499",
+}
+
+M = require("base16").override_theme(M, "gruvchad")
+
+return M