Added nvidia drivers and gaming profile

README.org

@@ -85,3 +85,9 @@ nixos-generate-config --dir <<host directory>> --no-filesystems
 #+BEGIN_SRC bash
 sudo nixos-install --impure --root /mnt --flake .#reykjavik
 #+END_SRC
+
+1. Set up the user
+You'll set the root password during the installation. You can then reboot and use the installed OS. First thing you'll have to do is log in as root and set the password for your user:
+#+BEGIN_SRC bash
+passwd marc
+#+END_SRC