Corrected example ACR URL comment. (#164)

Example incorrectly provides azureacr.io as the root ACR domain. This typo has caused difficult-to-diagnose issues when working through the DevOps OH. Corrected root ACR domain to be azurecr.io.

Author: caseywatson

apis/poi/charts/mydrive-poi/values.yaml

@@ -12,7 +12,7 @@ green:
 
 replicaCount: 2
 repository:
-  # Fully qualified path to image in ACR (Ex. youracr.azureacr.io/devopsoh/poi-build).
+  # Fully qualified path to image in ACR (Ex. youracr.azurecr.io/devopsoh/poi-build).
   # See deployment scripts in https://github.com/Azure-Samples/openhack-devops-proctor for example usage.
   image:
   pullPolicy: Always