add include metadata

Author: taicchoumsft

articles/confidential-ledger/includes/ensure-subscription-owner.md

@@ -1 +1,11 @@
+---
+author: tachou
+ms.service: confidential-ledger
+ms.topic: include
+ms.date: 11/28/2023
+ms.author: tachou
+
+# Subscription owneer prerequisite that applies to all Confidential Ledger quickstarts
+---
+
 - Subscription owner - A confidential ledger can only be created by users who have _Owner_ permissions on the Azure subscription. [Confirm that you have the appropriate access](../../role-based-access-control/check-access.md) before continuing with this quickstart.