Update readme.adoc
Update readme.adoc

s3://aws-kubernetes-artifacts/v0.5/create-kubeconfig.sh will create a configuration file at `$HOME/.kube/config`. Updated documentation as create-kubeconfig.sh is not part of this repo.
dalbhanj/kubernetes-aws-workshop,arun-gupta/kubernetes-aws-workshop,dalbhanj/kubernetes-aws-workshop,dalbhanj/kubernetes-aws-workshop,arun-gupta/kubernetes-aws-workshop,dalbhanj/kubernetes-aws-workshop,arun-gupta/kubernetes-aws-workshop,arun-gupta/kubernetes-aws-workshop