Add missing methods to the facade

Author: andreascreten

src/Facades/Notification.php

@@ -9,6 +9,8 @@
  * @method static static event(string $event)
  * @method static static message(string $body)
  * @method static static reference(string $reference)
+ * @method static static hasReply(string $placeholder = '')
+ * @method static static addAction(string $label)
  * @method static void show()
  */
 class Notification extends Facade