basic functional niri+noctalia setup

hosts/kitagawa/default.nix

@@ -15,8 +15,9 @@ in {
     "${modules-dir}/nh.nix"
     "${modules-dir}/home-manager.nix"
     "${modules-dir}/zsh.nix"
-    "${modules-dir}/display-managers/gdm.nix"
+    "${modules-dir}/display-managers/lightdm.nix"
     "${modules-dir}/desktop-environments/gnome.nix"
+    "${modules-dir}/window-managers/niri.nix"
   ];
 
   # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.