preparing extension for publishing wip

lib/User/Module.php

@@ -1,10 +1,20 @@
 <?php
 
+/*
+ * This file is part of the 2amigos/yii2-usuario project.
+ *
+ * (c) 2amigOS! <http://2amigos.us/>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
 namespace Da\User;
 
 use Da\User\Contracts\MailChangeStrategyInterface;
+use yii\base\Module as BaseModule;
 
-class Module extends \yii\base\Module
+class Module extends BaseModule
 {
     /**
      * @var bool whether to allow registration process or not