Updated desktop configuration

hosts/desktop/default.nix

@@ -1,33 +1,54 @@
-{ config, pkgs, ... }:
+{ pkgs, ... }:
 
 {
-  imports = [ # Include the results of the hardware scan.
+  imports = [
+    # Include the results of the hardware scan.
     ./hardware-configuration.nix
 
-    # GUI
-    ../../modules/system/gui/steam.nix
-    ../../modules/system/gui/hyprland.nix
-    ../../modules/system/gui/thunar.nix
-
-    # CLI
-    ../../modules/system/cli/common.nix
-
-    # Hardware
-    ../../modules/system/hardware/firewall.nix
-    ../../modules/system/hardware/garbage-collection.nix
-    ../../modules/system/hardware/locale.nix
-    ../../modules/system/hardware/nvidia.nix
+    # Import modules
+    ../../modules/system/default.nix
   ];
 
+  settings = {
+    display-manager = "cosmic-greeter";
+    desktop-environments = {
+      cosmic.enable = true;
+      hyprland.enable = false;
+      gnome.enable = false;
+    };
+    applications = {
+      common.enable = true;
+      steam.enable = true;
+      thunar.enable = false;
+    };
+    services = {
+      docker.enable = false;
+      quickemu.enable = false;
+      sunshine.enable = false;
+      garbage-collection.enable = true;
+    };
+    hardware = {
+      fprint.enable = false;
+      printing.enable = true;
+      bluetooth.enable = false;
+      firewall.enable = true;
+      locale.enable = true;
+    };
+  };
+
   nix.settings = {
     experimental-features = [ "nix-command" "flakes" ];
 
     substituters = [
       "https://nix-community.cachix.org"
+      "https://cosmic.cachix.org/"
+    ];
+
+    trusted-public-keys = [
+      "cosmic.cachix.org-1:Dya9IyXD4xdBehWjrkPv6rtxpmMdRel02smYzA85dPE="
     ];
   };
 
-
   # Bootloader.
   boot.loader.efi.canTouchEfiVariables = true;
   boot.loader.grub = {
@@ -36,6 +57,7 @@
     device = "nodev";
   };
 
+  # Networking configuration
   networking.hostName = "xv-desktop"; # Define your hostname.
   networking.interfaces.enp7s0.wakeOnLan.enable = true;