Adding ONOS Segment Routing CLI files to new repo
diff --git a/cli/documentation/en_US/vns/tenant-router-gwpool-example b/cli/documentation/en_US/vns/tenant-router-gwpool-example
new file mode 100755
index 0000000..43337f8
--- /dev/null
+++ b/cli/documentation/en_US/vns/tenant-router-gwpool-example
@@ -0,0 +1,5 @@
+localhost(config-tenant-router)# gateway-pool pool1
+  create a gateway pool pool1
+
+localhost(config-tenant-router)# no gateway-pool pool1
+  remove the gateway pool named pool1