update email template

app/Http/Requests/Admin/ConfigSave.php

@@ -59,7 +59,9 @@ class ConfigSave extends FormRequest
         'frontend_background_url' => 'nullable|url',
         // tutorial
         'apple_id' => 'email',
-        'apple_id_password' => ''
+        'apple_id_password' => '',
+        // email
+        'email_template' => ''
     ];
 
     /**