feat(main): conform to Websmid module standards

src/Module/AdminHooks.php

@@ -2,10 +2,17 @@
 
 namespace Websmid\CustomHtml\Module;
 
+use Tools;
+
 trait AdminHooks
 {
     public function isUsingNewTranslationSystem(): bool
     {
         return true;
     }
+
+    public function getContent()
+    {
+        Tools::redirectAdmin($this->get('router')->generate('customhtml_index'));
+    }
 }