init(release): desktop template -> desktop wip

modules/nixos/desktops/base.nix

@@ -0,0 +1,28 @@
+{ lib, pkgs, ... }:
+{
+  # Shared desktop settings (imported by all DEs)
+
+  # XDG portals for desktop integration
+  xdg.portal = {
+    enable = lib.mkDefault true;
+    extraPortals = [ pkgs.xdg-desktop-portal-gtk ];
+  };
+
+  # Policy kit for privilege escalation
+  security.polkit.enable = lib.mkDefault true;
+
+  # GVFS for trash, mounting, etc
+  services.gvfs.enable = lib.mkDefault true;
+
+  # Common desktop packages
+  environment.systemPackages = with pkgs; [
+    # File managers (choose one)
+    # nautilus  # GNOME
+    # dolphin   # KDE
+    # thunar    # XFCE
+
+    # Basic utilities
+    pavucontrol # Audio control
+    networkmanagerapplet # Network management GUI
+  ];
+}