Add default value of jenkins_aptly_storages

Change-Id: Iacdd7a61deefca89198382c43fc4b2c8df748db1
diff --git a/jenkins/client/init.yml b/jenkins/client/init.yml
index 3eeac91..5de6055 100644
--- a/jenkins/client/init.yml
+++ b/jenkins/client/init.yml
@@ -8,6 +8,7 @@
     jenkins_client_password: none
     jenkins_master_host: ${_param:control_vip_address}
     jenkins_master_port: 8081
+    jenkins_aptly_storages: "local"
   jenkins:
     client:
       master: