This tool can be activated from the menu: Settings - Dockers - Comics Manager.
This start into the docker a GUI that allow you to use this tool.
Select a empty folder and give the info for your project:
It's a tool helps you create and export comics in a defined format.
Select all you need and use wizard to the end.
This will make all folders and config files.
You can open the project with same Comics Manager and the JSON file from your project folder.
The wizard will let now to use the buttons that until now were inactive:
Project Settings, Add Page, Export Comic and Copy Location.