Add translation to labels (#148)

Yii::t('rbac-admin',$menu['name']),

and for disable cache set in module config ,cache => null.

components/MenuHelper.php

@@ -202,7 +202,7 @@ private static function normalizeMenu(&$assigned, &$menus, $callback, $parent =
                     $item = call_user_func($callback, $menu);
                 } else {
                     $item = [
-                        'label' => $menu['name'],
+                        'label' => Yii::t('rbac-admin',$menu['name']),
                         'url' => static::parseRoute($menu['route']),
                     ];
                     if ($menu['children'] != []) {