add nautilus and enable needed services

configuration.nix

@@ -70,6 +70,8 @@
   security.polkit.enable = true; # polkit
   security.polkit.enablePkexecWrapper = true;
   services.gnome.gnome-keyring.enable = true;
+  services.gvfs.enable = true;
+  services.udisks2.enable = true;
   programs.niri.enable = true;
   services.pipewire = {
     enable = true;
@@ -125,6 +127,7 @@
       apple-cursor
       polkit_gnome
       xwayland-satellite
+      nautilus
     ];
   };
   fonts.packages = with pkgs; [