Adding ONOS Segment Routing CLI files to new repo
diff --git a/cli/documentation/en_US/controller/controller-node b/cli/documentation/en_US/controller/controller-node
new file mode 100755
index 0000000..a866a76
--- /dev/null
+++ b/cli/documentation/en_US/controller/controller-node
@@ -0,0 +1 @@
+Enter a submode to configure the settings for the controller node.