You can add the Generator Demo Scene Prefab to your scene to get a quick start in all the setting up, then you can delete any decoration assets you don't require
In v1.4 - it now uses a CanvasGroup and sets it from 0 to 1 to show and hide the canvas
In v1.6 - There is no need for the input manager, as the inputs can be found in the Interactor and GeneratorItem scripts