message: Add TODO to update k8s guide
diff: Deploying Iroha on Kubernetes cluster
  =====================================
  +.. TODO: Update the guide. https://soramitsu.atlassian.net/browse/DOPS-391
  .. warning:: Some parts of this guide are deprecated. Proceed at your own discretion.
  By following this guide you will be able to deploy a Kubernetes cluster from scratch on AWS cloud using Terraform and Kubespray, and deploy a network of Iroha nodes on it.
  