Convert color schema, begin migrating old classes (finishes grey & red)

resources/themes/pterodactyl/templates/base/core.blade.php

@@ -56,7 +56,7 @@
 @section('below-container')
     <div class="flex-grow"></div>
     <div class="w-full m-auto mt-0 container">
-        <p class="text-center sm:text-right text-grey-dark text-xs">
+        <p class="text-center sm:text-right text-neutral-600 text-xs">
             {!! trans('strings.copyright', ['year' => date('Y')]) !!}
         </p>
     </div>