message: Add a flag to command in Readme for AKS example
diff: @@ -60,7 +60,7 @@ After cloning this repo, from this working directory, run these commands:
  1. After 10-15 minutes, your cluster will be ready, and the kubeconfig YAML you'll use to connect to the cluster will be available as an output. You can save this kubeconfig to a file like so:
  ```bash
  - $ pulumi stack output kubeconfig > kubeconfig.yaml
  + $ pulumi stack output kubeconfig --show-secrets > kubeconfig.yaml
  ```
  Once you have this file in hand, you can interact with your new cluster as usual via `kubectl`:
  