added RBAC

lib/User/Traits/AuthManagerTrait.php

@@ -0,0 +1,16 @@
+<?php
+namespace Da\User\Traits;
+
+use Da\User\Component\AuthDbManagerComponent;
+use Yii;
+
+trait AuthManagerTrait
+{
+    /**
+     * @return AuthDbManagerComponent|\yii\rbac\ManagerInterface
+     */
+    public function getAuthManager() {
+
+        return Yii::$app->getAuthManager();
+    }
+}