switch to gnome for usb config

modules/nixos/gnome.nix

@@ -0,0 +1,31 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+{
+  options.nix-config.gnome.enable = lib.mkOption {
+    type = lib.types.bool;
+    default = false;
+    description = "Enable GNOME desktop environment.";
+  };
+  config = lib.mkIf config.nix-config.gnome.enable {
+    services = {
+      displayManager.gdm.enable = true;
+      desktopManager.gnome.enable = true;
+
+      gnome = {
+        core-apps.enable = false;
+        core-developer-tools.enable = false;
+        games.enable = false;
+      };
+
+      # Exclude some packages to keep the installation lean
+      environment.gnome.excludePackages = with pkgs; [
+        gnome-tour
+        gnome-user-docs
+      ];
+    };
+  };
+}

modules/nixos/podman.nix

@@ -1,24 +1,24 @@
 {
-    config,
-    lib,
-    pkgs,
-    ...
+  config,
+  lib,
+  pkgs,
+  ...
 }:
 {
-    virtualisation.containers.enable = true;
-    virtualisation = {
-      podman = {
-        enable = true;
+  virtualisation.containers.enable = true;
+  virtualisation = {
+    podman = {
+      enable = true;
 
-        dockerCompat = false;
+      dockerCompat = false;
 
-        # Required for containers under podman-compose to be able to talk to each other.
-        defaultNetwork.settings.dns_enabled = true;
-      };
+      # Required for containers under podman-compose to be able to talk to each other.
+      defaultNetwork.settings.dns_enabled = true;
     };
+  };
 
-    # Useful other development tools
-    environment.systemPackages = with pkgs; [
-      podman-compose # start group of containers for dev
-    ];
+  # Useful other development tools
+  environment.systemPackages = with pkgs; [
+    podman-compose # start group of containers for dev
+  ];
 }