Update quickstart.md

Signed-off-by: Jan Schoone <[email protected]>

Author: jschoone

docs/topics/quickstart.md

@@ -1,3 +1,5 @@
 # Quickstart
 
-The Cluster Stack Operator (CSO) is integrated into the Openstack Provider of [Cluster Stacks](https://github.com/SovereignCloudStack/cluster-stacks). You can see how it is used in the correspoding [Quickstart Documentation](../../cluster-stacks/providers/openstack/quickstart.md) of Cluster Stacks.
+Currently, there is a [demo](https://github.com/SovereignCloudStack/cluster-stacks-demo) that can be used to see how the Cluster Stack approach can work. It uses the Docker Provider Integration for Cluster API.
+
+For production use, the Cluster Stack Operator can be used together with the [Cluster Stack Provider OpenStack](https://github.com/SovereignCloudStack/cluster-stack-provider-openstack) to manage Kubernetes clusters on OpenStack. You can see how it is used in the corresponding [Quickstart Documentation](../../cluster-stacks/providers/openstack/quickstart.md) of Cluster Stacks.