CORD-2248: Add dependency between playbooks and VMs

Change-Id: I4e2c7dd4d1f76b4394f646e14c58de8e1a607af6
(cherry picked from commit d8a2f13f7583b4fcdef60439e8f81161178037c9)
diff --git a/xos/synchronizer/model-deps b/xos/synchronizer/model-deps
index 0967ef4..c9d367b 100644
--- a/xos/synchronizer/model-deps
+++ b/xos/synchronizer/model-deps
@@ -1 +1,3 @@
-{}
+{
+  ["Instance", "instance", ""]
+}