add nautilus file manager

modules/applications/default.nix

@@ -8,6 +8,7 @@
     ./firefox.nix
     ./media.nix
     ./qbittorrent.nix
+    ./nautilus.nix
   ];
 
 }

modules/applications/nautilus.nix

@@ -0,0 +1,13 @@
+{ config, pkgs, lib, ... }: {
+
+  # Install Nautilus file manager
+  config = lib.mkIf config.gui.enable {
+    home-manager.users.${config.user} = {
+      home.packages = with pkgs; [
+        gnome.nautilus
+        gnome.sushi # Quick preview
+      ];
+    };
+  };
+
+}