Adding doc.go files for packages
diff --git a/openstack/compute/v2/extensions/diskconfig/doc.go b/openstack/compute/v2/extensions/diskconfig/doc.go
new file mode 100644
index 0000000..a971b35
--- /dev/null
+++ b/openstack/compute/v2/extensions/diskconfig/doc.go
@@ -0,0 +1,3 @@
+// Package diskconfig provides information and interaction with the the Disk
+// Config extension that works with the OpenStack Compute service.
+package diskconfig