perf(highlights): load colors module only when user highlight is present

Author: cpea2506

lua/one_monokai/highlights/init.lua

@@ -18,12 +18,13 @@ end
 ---Load all highlight groups
 function highlights.load()
     local config = require "one_monokai.config"
-    local colors = require "one_monokai.colors"
     local default = require "one_monokai.highlights.groups"
 
     set_highlight(default)
 
     if config.highlights then
+        local colors = require "one_monokai.colors"
+
         set_highlight(config.highlights(colors))
     end
 end