env: Add ACR creds example
#!/bin/bash
-export K8S_NAMESPACE="smc"
-export AZURE_SUBSCRIPTION="abc"
-export AZURE_RESOURCE_GROUP="rg"
-export CTR_REGISTRY="your.azurecr.io/smc"
+export K8S_NAMESPACE=smc
+export AZURE_SUBSCRIPTION=abc
+export AZURE_RESOURCE_GROUP=rg
+export CTR_REGISTRY=your.azurecr.io/smc
+export CTR_REGISTRY_CREDS_NAME=acr-creds
