I want to run a k3s control plan near but not in my datacenters and use my own dedicated servers for the nodes. Having k3s outside of the datacenters will allow me to failover services to the other datacenters without doing multi-cluster. However I also don't want to manage more virtual machines to run k3s. Has anyone tried running k3s control plane on a serverless platform like fly.io or Koyeb or even inside another Kubernetes cluster (is that stupid?)?