Adding doc.go files for packages
diff --git a/rackspace/objectstorage/v1/cdncontainers/doc.go b/rackspace/objectstorage/v1/cdncontainers/doc.go
new file mode 100644
index 0000000..7b0930e
--- /dev/null
+++ b/rackspace/objectstorage/v1/cdncontainers/doc.go
@@ -0,0 +1,3 @@
+// Package cdncontainers provides information and interaction with the CDN
+// Container API resource for the Rackspace Cloud Files service.
+package cdncontainers