[NixOS] Control what is enabled per machine with module options

nixos/configuration.nix

@@ -0,0 +1,39 @@
+{ config, lib, ... }:
+{
+  imports = [
+    ./android.nix
+    ./base.nix
+    ./code.nix
+    ./desktop.nix
+    ./environment.nix
+    ./essential.nix
+    ./extra.nix
+    ./games.nix
+    ./git-sync.nix
+    ./internet-computer.nix
+    ./keybase.nix
+    ./nix.nix
+    ./nixified.ai.nix
+    ./ssh.nix
+    ./syncthing.nix
+    ./users.nix
+    ./wsl.nix
+    ./xmonad.nix
+  ];
+
+  options = {
+    features.full.enable = lib.mkEnableOption "Do everything";
+  };
+
+  config = lib.mkIf config.features.full.enable {
+    modules.base.enable = true;
+    modules.desktop.enable = true;
+    modules.xmonad.enable = true;
+    modules.extra.enable = true;
+    modules.code.enable = true;
+    modules.games.enable = true;
+    modules.syncthing.enable = true;
+    modules.fonts.enable = true;
+    modules.nixified-ai.enable = true;
+  };
+}