Implement and test service creation.
diff --git a/openstack/identity/v3/services/doc.go b/openstack/identity/v3/services/doc.go
new file mode 100644
index 0000000..c4772c0
--- /dev/null
+++ b/openstack/identity/v3/services/doc.go
@@ -0,0 +1,4 @@
+/*
+Package services queries and manages the service catalog.
+*/
+package services