- services.openssh.enable, virtualisation.docker.enable into hivebrain
- services.displayManager.sddm.enable, services.desktopManager.plasma6.enable into nikita-nixos
- Remove four no-longer-needed system modules
Add a second nixosConfigurations entry for a friend's machine running
Plasma 6 + SDDM. The hardware-configuration.nix is a placeholder; it
must be replaced with the output of nixos-generate-config on the
actual hardware before installing. Git identity in hosts/nikita-nixos/
home.nix is also a placeholder.