Update title of catalog article

The title of the article is "Create and manage resources".  That was confusing because it was misread as creating the resources themselves, e.g., creating a group, app or site.  Instead this article is about creating a catalog and adding resources that already exist to it.

Author: markwahl-msft

articles/active-directory/governance/entitlement-management-catalog-create.md

@@ -1,5 +1,5 @@
 ---
-title: Create & manage resources in entitlement management - Azure AD
+title: Create & manage a catalog of resources in entitlement management - Azure AD
 description: Learn how to create a new container of resources and access packages in Azure Active Directory entitlement management.
 services: active-directory
 documentationCenter: ''