From a user question on the image formats in the services output, I discovered from the code that those formats are configurable but the defaults are in the code. Wouldn't it help discoverability of those configurable variables if the defaults are brought into the .confs ?
https://github.com/collectiveaccess/providence/blob/818f697ef5b69d019e716d8a8eca57377a47bc57/app/lib/Service/ItemService.php#L166
