Add AzureActiveDirectory to allowed service tags for NSG policies (#9)

Author: taoyangcloud

policyAssignments/dev/pa-d-nsg.json

@@ -46,6 +46,7 @@
           "Sql",
           "Storage",
           "EventHub",
+          "AzureActiveDirectory",
           "*"
         ]
       }

policyAssignments/prod/pa-p-nsg.json

@@ -46,6 +46,7 @@
           "Sql",
           "Storage",
           "EventHub",
+          "AzureActiveDirectory",
           "*"
         ]
       }