examples: readd cilium-ds.yaml in minikube examples
examples: readd cilium-ds.yaml in minikube examples

We are still linking to this from the Kubernetes website[0]. When the
link has been updated this commit this can be reverted.

Tested that this works by replacing the URL with my branch

 	kubectl create -f https://raw.githubusercontent.com/scanf/cilium/k8s-policy-url/examples/minikube/cilium-ds.yaml

[0]: https://kubernetes.io/docs/tasks/administer-cluster/cilium-network-policy/

Signed-off-by: Alexander Alemayhu <e46fc836cca3acec03944314d1457c2ae6c68ef3@alemayhu.com>

michi-covalent/cilium,eloycoto/cilium,michi-covalent/cilium,tgraf/cilium,scanf/cilium,tklauser/cilium,tgraf/cilium,scanf/cilium,scanf/cilium,cilium/cilium,tgraf/cilium,tgraf/cilium,scanf/cilium,scanf/cilium,cilium/cilium,cilium-team/cilium,eloycoto/cilium,tgraf/cilium,eloycoto/cilium,tklauser/cilium,eloycoto/cilium,cilium-team/cilium,michi-covalent/cilium,michi-covalent/cilium,michi-covalent/cilium,cilium/cilium,eloycoto/cilium,tklauser/cilium,scanf/cilium,tklauser/cilium,scanf/cilium,eloycoto/cilium,cilium/cilium,tgraf/cilium,cilium/cilium,tklauser/cilium,eloycoto/cilium