I wonder if you already have a project with an empty template of the layout you are using in your demo.
I know on github the source of the demo portal is available, but to clean it of all unnecessary material is a bit tedious.
A great help would be a project with the minimal template of mainlayout structured with header/footer/menusidebar/contentpage and the main features (hamburgher toggle, dark/light switch, name of project, etc.)
In alternative a template in Visual Studio called by "New Project..." like your competitors offer...but I guess more job for you
Thanks