Add photo upload feature for sub-tiles as well
Issue #68
new
In order to build visually harmonious courses
as trainer
I would like to be able to upload images for the sub-tiles as well.
Current situation:
Currently trainers can upload individual images to tiles only in order to customize their course appearance. For sub-tiles this option is not available. However, this would be truly useful to create harmonious course designs across courses or even the Moodle installation.