services.xserver =
  { layout = "de";
    xkbVariant = "neo";
    synaptics.enable = false;
    libinput.enable = true;
    config = ''
      Section          "InputClass"
        Identifier     "Enable libinput for TrackPoint"
        MatchIsPointer "on"
        Driver         "libinput"
      EndSection
    '';
    displayManager.sddm.enable = true;
    desktopManager.plasma5.enable = true;
    };