Added cancel url config option

Author: adrianbarbos

src/DataTrait.php

@@ -11,6 +11,7 @@ protected function initData() {
             'details'    => '',
             'confirmUrl' => config('mobilpay.confirm_url'),
             'returnUrl'  => config('mobilpay.return_url'),
+            'cancelUrl'  => config('mobilpay.cancel_url'),
             'testMode'   => config('mobilpay.testMode'),
             'params' => []
         ];
@@ -76,6 +77,16 @@ public function setReturnUrl($value) {
         return $this;
     }
 
+    /**
+     * @param $value string
+     * @return $this
+     */
+    public function setCancelUrl($value) {
+        $this->data['cancelUrl'] = $value;
+
+        return $this;
+    }
+
     /**
      * @param $value boolean
      * @return $this

src/config/mobilpay.php

@@ -14,6 +14,8 @@
 
     'confirm_url' => '',
 
+    'cancel_url' => '',
+
     'return_url' => ''
 
 ];