add to overview page

Author: EirikHaughom

articles/energy-data-services/index.yml

@@ -96,6 +96,8 @@ landingContent:
             url: how-to-add-more-data-partitions.md
           - text: How to generate auth token
             url: how-to-generate-auth-token.md
+          - text: How to deploy Geospatial Consumption Zone (GCZ)
+            url: how-to-deploy-gcz.md
           - text: How to deploy OSDU Admin UI
             url: how-to-deploy-osdu-admin-ui.md
       - linkListType: concept