feature, NGINX One: Add release note for certs on CSGs

content/nginx-one/changelog.md

@@ -34,6 +34,19 @@ Stay up-to-date with what's new and improved in the F5 NGINX One Console.
 
 ## January 20, 2025
 
+### Manage certificates with Config Sync Groups
+
+With the NGINX One Console, you can now:
+
+Manage certificate deployment in Config Sync Groups. You can:
+
+- Add a certificate to a Config Sync Group
+- Remove a deployed certificate from a Config Sync Group
+
+For more information, including warnings about risks, see our documentation on how you can:
+- [Add a file]({{< relref "/nginx-one/how-to/nginx-configs/add-file.md" >}}) 
+- [Manage certificates]({{< relref "/nginx-one/how-to/certificates/manage-certificates.md" >}})
+
 ### Revert a configuration
 
 Using the NGINX One Console you can now: