public function actionContact()
 {
     $model = new ContactForm();
     if ($model->load(Yii::$app->request->post()) && $model->contact(Yii::$app->params['adminEmail'])) {
         Yii::$app->session->setFlash('contactFormSubmitted');
         return $this->refresh();
     }
     return $this->render('contact', ['model' => $model]);
 }