SEBA-456 Add SimpleExampleService to service directory

Change-Id: Ifcfe8e2b19d583fbee8d3d11a3e9f23114be315a
diff --git a/SUMMARY.md b/SUMMARY.md
index 9801480..dc3c16d 100644
--- a/SUMMARY.md
+++ b/SUMMARY.md
@@ -109,6 +109,7 @@
     * [AT&T Workflow Driver](att-workflow-driver/README.md)
     * [Kubernetes](kubernetes-service/kubernetes-service.md)
     * [OpenStack](openstack/openstack-service.md)
+    * [SimpleExampleService](simpleexampleservice/simple-example-service.md)
     * [VTN](vtn-service/README.md)
 * [Helm Reference](charts/helm.md)
     * [Base Kubernetes](charts/base-kubernetes.md)