Added configuration section for public dns name
Added configuration section for public dns name

irwinwilliams/azure-quickstart-templates,irwinwilliams/azure-quickstart-templates,irwinwilliams/azure-quickstart-templates,irwinwilliams/azure-quickstart-templates,irwinwilliams/azure-quickstart-templates,irwinwilliams/azure-quickstart-templates,irwinwilliams/azure-quickstart-templates