Refacto palette and theme, added more colors

lua/astrobox/highlights/init.lua

@@ -1,9 +1,14 @@
 local utils = require("astrobox.utils")
 
-return function(palette, config)
+local M = {}
+
+--- @param theme Theme
+--- @param palette Palette
+--- @param config Config
+function M.make_highlights(theme, palette, config)
     local HL = {}
     local function load_mod(mod, mod_name)
-        local ok, res = pcall(mod, palette, config)
+        local ok, res = pcall(mod, theme, palette, config)
         if ok and res then
             HL = vim.tbl_extend("error", HL, res)
         else
@@ -12,7 +17,7 @@ return function(palette, config)
     end
     utils.visit_astrobox_modules("highlights.modules", load_mod)
 
-    HL = vim.tbl_extend("force", HL, config.overrides)
-
     return HL
 end
+
+return M