Add distributeVips property to cluster entity

Author: rbibby

src/Loadbalancers/Entities/Cluster.php

@@ -8,6 +8,7 @@
  * @property string $id
  * @property string $name
  * @property bool $deployed
+ * @property bool $distributeVips
  * @property \DateTime $deployedAt
  * @property \DateTime $createdAt
  * @property \DateTime $updatedAt