initial refactoring

platforms/nixos/modules/nmasur/presets/programs/nautilus.nix

@@ -0,0 +1,29 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
+
+let
+  cfg = config.nmasur.presets.programs.nautilus;
+in
+
+{
+
+  options.nmasur.presets.programs.nautilus.enable = lib.mkEnableOption "Nautilus file manager";
+
+  config = lib.mkIf cfg.enable {
+
+    environment.systemPackages = [ pkgs.nautilus ];
+
+    # Quick preview with spacebar
+    services.gnome.sushi.enable = true;
+
+    # Allow client browsing Samba and virtual filesystem shares
+    services.gvfs = {
+      enable = true;
+    };
+
+  };
+}