Adding ONOS Segment Routing CLI files to new repo
diff --git a/cli/documentation/en_US/firewall-rule/show-proto b/cli/documentation/en_US/firewall-rule/show-proto
new file mode 100755
index 0000000..c6c7189
--- /dev/null
+++ b/cli/documentation/en_US/firewall-rule/show-proto
@@ -0,0 +1 @@
+Filter the show command output by the indicated protocol.