Add gamin module in both nixos and home-manager

modules/home-manager/default.nix

@@ -1,6 +1,7 @@
 { lib, config, pkgs, ... }:
 {
   imports = [
+    ./gaming/lutris
     ./video/kdenlive
     ./web/qutebrowser/default.nix
   ];

modules/home-manager/gaming/lutris/default.nix

@@ -0,0 +1,29 @@
+{ lib, config, pkgs, ... }:
+with lib;
+let
+  cfg = config.modules.gaming.lutris;
+in
+{
+  options.modules.gaming.lutris = {
+    enable = mkEnableOption "enable Lutris Gaming preservation platform";
+  };
+  config = mkIf cfg.enable {
+    home.packages = with pkgs; [
+      ( lutris.override {
+        extraLibraries = pkgs: [
+          wine
+          xorg.libXcursor
+          xorg.libXi
+          xorg.libXinerama
+          xorg.libXScrnSaver
+          libpng
+          libpulseaudio
+          libvorbis
+          stdenv.cc.cc.lib
+          libkrb5
+          keyutils
+        ];
+      })
+    ];
+  };
+}

modules/nixos/default.nix

@@ -0,0 +1,6 @@
+_:
+{
+  imports = [
+    ./gaming/steam
+  ];
+}

modules/nixos/gaming/steam/default.nix

@@ -0,0 +1,28 @@
+{ lib, config, ... }:
+with lib;
+let
+  cfg = config.modules.gaming.steam;
+in
+{
+  options.modules.gaming.steam = {
+    enable = mkEnableOption "Enable Steam Platform";
+
+    gamescope = mkOption {
+      type = types.bool;
+      default = false;
+      description = "enable gamescope session (default false)";
+    };
+    gamemode = mkOption {
+      type = types.bool;
+      default = false;
+      description = "enable Feral Gamemode (default false)";
+    };
+  };
+  config = mkIf cfg.enable {
+    programs.gamemode.enable = cfg.gamemode;
+    programs.gamescope.enable = cfg.gamescope;
+    programs.steam = {
+      enable = true;
+    };
+  };
+}