Setting up Kata using Docker

This is documented here: https://github.com/kata-containers/packaging/blob/master/kata-deploy/README.md#docker-quick-start

Using Minikube and Kata

This PR is adding the documentation to get started with minikube: https://github.com/kata-containers/documentation/pull/445#

Using kubeadm

Conclusion

Using the new kata-deploy method, it is very easy to set up a Kubernetes cluster that uses Kata Containers.