Adding ONOS Segment Routing CLI files to new repo
diff --git a/cli/documentation/en_US/controller/interface-number b/cli/documentation/en_US/controller/interface-number
new file mode 100755
index 0000000..60e596c
--- /dev/null
+++ b/cli/documentation/en_US/controller/interface-number
@@ -0,0 +1 @@
+Specify the number of the network interface.