Adding ONOS Segment Routing CLI files to new repo
diff --git a/cli/documentation/en_US/vns/arp-mode-value-drop-if-unknown b/cli/documentation/en_US/vns/arp-mode-value-drop-if-unknown
new file mode 100755
index 0000000..f32eeb0
--- /dev/null
+++ b/cli/documentation/en_US/vns/arp-mode-value-drop-if-unknown
@@ -0,0 +1 @@
+Drop ARP packets if the host is unknown