[ONOS-5989] YANG based L3VPN: Provide the skeleton structure with L3SM model

Change-Id: Ib72b92cef6b3f62f35eef6e10a811308f7b43b3f
diff --git a/modules.defs b/modules.defs
index b748938..452f04a 100644
--- a/modules.defs
+++ b/modules.defs
@@ -191,7 +191,8 @@
     '//apps/yang:onos-apps-yang-oar',
     '//apps/yang-gui:onos-apps-yang-gui-oar',
     '//apps/cord-support:onos-apps-cord-support-oar',
-    '//apps/network-troubleshoot:onos-apps-network-troubleshoot-oar'
+    '//apps/network-troubleshoot:onos-apps-network-troubleshoot-oar',
+    '//apps/l3vpn:onos-apps-l3vpn-oar',
 ]
 
 APP_JARS = [