gpd-configurations/global/user-configuration.nix

{
    users= {
        mutableUsers = false;
        users = {
            user = {
                isNormalUser = true;
                description = "Default user";
                extraGroups = [
                    "networkmanager"
                    "wheel"
                    "input"
                ];
                hashedPassword = "";  # Login directly
            };
        };
    };
}