Adding doc.go files for packages
diff --git a/rackspace/blockstorage/v1/snapshots/doc.go b/rackspace/blockstorage/v1/snapshots/doc.go
new file mode 100644
index 0000000..ad6064f
--- /dev/null
+++ b/rackspace/blockstorage/v1/snapshots/doc.go
@@ -0,0 +1,3 @@
+// Package snapshots provides information and interaction with the snapshot
+// API resource for the Rackspace Block Storage service.
+package snapshots
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
diff --git a/rackspace/blockstorage/v1/volumetypes/doc.go b/rackspace/blockstorage/v1/volumetypes/doc.go
new file mode 100644
index 0000000..70122b7
--- /dev/null
+++ b/rackspace/blockstorage/v1/volumetypes/doc.go
@@ -0,0 +1,3 @@
+// Package volumetypes provides information and interaction with the volume type
+// API resource for the Rackspace Block Storage service.
+package volumetypes