Configure kubectl

This is pretty awesome, good job Microsoft:

az aks get-credentials --resource-group $AZ_RESOURCE_GROUP_NAME --name $AZ_CLUSTER_NAME

Resources:
https://www.reddit.com/r/kubernetes/comments/8ohxcz/how_to_connect_kubectl_to_aks/
https://docs.microsoft.com/en-us/azure/aks/tutorial-kubernetes-deploy-cluster