Update the config schema

Loving the module, thanks people! Super inspired after Drupalcon Barcelona :)

Just tested this and confirm that before this MR config inspector reports an error with the config.

After the MR, config inspector it has no errors:

[Aside: Could do with some AI help to upload images to an issue on Drupal.org and generate alt text! ]

Should I set this to RTBC or would you prefer more eyes on it?

Sorry, for the delay here, thank you and this is getting merged.

Automatically closed - issue fixed for 2 weeks with no activity.