public final WorkbenchBuilder pageFactory(Callback<Workbench, Page> pageFactory) {
            this.pageFactory = pageFactory;
            return this;
        }
Defines how a {@link Page} with tiles of {@link WorkbenchModule}s should be created.

@param pageFactory to be used to create the {@link Page} for the tiles
@return builder for chaining
@implNote Use this to replace the page which is used in the home screen to display tiles
of the modules with your own implementation.
workbenchfx-core/src/main/java/com/dlsc/workbenchfx/Workbench.java