Updated heading to show Tutorial

Updated heading to show that this is part of the Tutorial series.

Author: AzureMentor

articles/azure-resource-manager/managed-applications/publish-service-catalog-app.md

@@ -7,7 +7,7 @@ ms.topic: tutorial
 ms.date: 10/04/2018
 ms.author: tomfitz
 ---
-# Create and publish a managed application definition
+# Tutorial: Create and publish a managed application definition
 
 [!INCLUDE [updated-for-az](../../../includes/updated-for-az.md)]