Adding ONOS Segment Routing CLI files to new repo
diff --git a/cli/documentation/en_US/controller/show-id b/cli/documentation/en_US/controller/show-id
new file mode 100755
index 0000000..24803c9
--- /dev/null
+++ b/cli/documentation/en_US/controller/show-id
@@ -0,0 +1 @@
+Specify the id or alias of the controller node.