migrate vrouter service from XOS repo:
diff --git a/xos/vrouter-onboard.yaml b/xos/vrouter-onboard.yaml
new file mode 100644
index 0000000..af479e0
--- /dev/null
+++ b/xos/vrouter-onboard.yaml
@@ -0,0 +1,20 @@
+tosca_definitions_version: tosca_simple_yaml_1_0
+
+description: Onboard the vRouter SErvice
+
+imports:
+   - custom_types/xos.yaml
+
+topology_template:
+  node_templates:
+    servicecontroller#vrouter:
+      type: tosca.nodes.ServiceController
+      properties:
+          base_url: file:///opt/xos_services/vrouter/xos/
+          # The following will concatenate with base_url automatically, if
+          # base_url is non-null.
+          models: models.py
+          admin: admin.py
+          admin_template: templates/vrouteradmin.html
+          tosca_resource: tosca/resources/vrouterservice.py
+