improve customer api & gui

frontend/controllers/CustomerController.php

@@ -242,6 +242,7 @@ class CustomerController extends Controller
         $model->customer = $customer;
         $model->email = $customer->email;
         $model->companyName = Helper::getCompanyName();
+        $model->groupTrainingUrl = Helper::getGroupTrainingUrl();
 
         if ( \Yii::$app->request->isPost  ){
             $model->load(\Yii::$app->request->post());

frontend/models/PasswordChangeModel.php

@@ -19,6 +19,7 @@ class PasswordChangeModel extends Model
     public $card;
     public $companyName;
     public $plainPassword;
+    public $groupTrainingUrl;
 
     /**
      * @inheritdoc