Fixing list

List was not displaying correctly due to missing whitespace. Instructions work well.

docs/u_e-dovecot-vmail-volume.md

@@ -10,6 +10,7 @@ volumes:
 ```
 
 Moving an existing vmail folder:
+
 - Locate the current vmail folder by its "Mountpoint" attribute: `docker volume inspect mailcowdockerized_vmail-vol-1` 
 - Copy the `_data` folder to the new folder using `cp -a`, `rsync -a` or a similar non strcuture breaking copy command
 - Stop mailcow by executing `docker-compose down` from within your mailcow root folder (e.g. "/opt/mailcow-dockerized")