add formula tests
diff --git a/metadata.yml b/metadata.yml
new file mode 100644
index 0000000..6b8418c
--- /dev/null
+++ b/metadata.yml
@@ -0,0 +1,4 @@
+name: "iptables"
+version: "0.2"
+source: "https://github.com/tcpcloud/salt-formula-iptables"
+