To create a folder, click on in the “add pages” part:
Give the folder a name and a subtitle.
Override layout: It’s a setting useful for the subfolders. You can set a general design on the “design” tab, for all the subfolders, but if you want to use a specific design for a subfolder, you can set it with this setting.
To create a subfolder, you have to click on
. If you want to change the name, the subtitle or the cover/thumbnail image, you only have to click on
and to re-arrange folders simply drag & drop them, you can nest up to 12 levels.