Add metadata.yml
diff --git a/metadata.yml b/metadata.yml
new file mode 100644
index 0000000..39bc145
--- /dev/null
+++ b/metadata.yml
@@ -0,0 +1,3 @@
+name: "backupninja"
+version: "0.2"
+source: "https://github.com/tcpcloud/salt-formula-backupninja"