big module system implementation

home/modules/gaming/lutris/default.nix

@@ -0,0 +1,25 @@
+{
+  pkgs,
+  config,
+  lib,
+  ...
+}: let
+  inherit (lib) mkIf mkEnableOption;
+  cfg = config.modules.gaming.lutris;
+in {
+  options = {
+    modules.gaming.lutris.enable = mkEnableOption "Enables lutris";
+  };
+  config = mkIf cfg.enable {
+    home.packages = [
+      (pkgs.lutris.override {
+        extraPkgs = p: [
+          p.wineWowPackages.staging
+          p.pixman
+          p.libjpeg
+          p.gnome.zenity
+        ];
+      })
+    ];
+  };
+}

home/modules/gaming/mangohud/default.nix

@@ -0,0 +1,20 @@
+{
+  config,
+  lib,
+  ...
+}: let
+  inherit (lib) mkIf mkEnableOption;
+  cfg = config.modules.gaming.mangohud;
+in {
+  options = {
+    modules.gaming.mangohud.enable = mkEnableOption "Enables mangohud";
+  };
+  config = mkIf cfg.enable {
+    programs.mangohud = {
+      enable = true;
+      settings = {
+        full = true;
+      };
+    };
+  };
+}