refactor: migrated add and edit category pages to controller (#3257)

Author: thorsten

phpmyfaq/admin/category.add.php

@@ -272,12 +272,6 @@
             case 'updatecategory':
                 require 'category.main.php';
                 break;
-            case 'addcategory':
-                require 'category.add.php';
-                break;
-            case 'editcategory':
-                require 'category.edit.php';
-                break;
             case 'translatecategory':
                 require 'category.translate.php';
                 break;

phpmyfaq/admin/category.edit.php

@@ -7,7 +7,7 @@
   </h1>
   <div class="btn-toolbar mb-2 mb-md-0">
     <div class="btn-group mr-2">
-      <a class="btn btn-sm btn-info" href="?action=showcategory">
+      <a class="btn btn-info" href="./category">
         <i aria-hidden="true" class="bi bi-list"></i> {{ msgCategoryMatrix }}
       </a>
     </div>