Adding doc.go files for packages
diff --git a/rackspace/blockstorage/v1/volumes/doc.go b/rackspace/blockstorage/v1/volumes/doc.go
new file mode 100644
index 0000000..b2be25c
--- /dev/null
+++ b/rackspace/blockstorage/v1/volumes/doc.go
@@ -0,0 +1,3 @@
+// Package volumes provides information and interaction with the volume
+// API resource for the Rackspace Block Storage service.
+package volumes