Skipping Initial Admin user setup

Is it possible to default the admin user (first sign on user) ? Right now, during installation and setup, I have to setup the initial user which I would like to default to some value (same on every installation/config).

You can set debug.addDefaultUser=true via

Thanks @anthony. Adding this to demio.conf, will not prompt for initial user setup? what if I need to add the admin user later? is it possible to do?