steam override and env variables

modules/games/steam.nix

@@ -1,4 +1,4 @@
-{ lib, config, ... }:
+{ lib, config, pkgs, ... }:
 {
 	options.modules.games.steam = {
 		enable = lib.mkEnableOption "enable steam";
@@ -10,6 +10,21 @@
 				remotePlay.openFirewall = true;
 				gamescopeSession.enable = true;
 				dedicatedServer.openFirewall = true;
+				
+				package = pkgs.steam.override {
+					extraPkgs = pkgs: with pkgs; [
+						xorg.libXcursor
+						xorg.libXi
+						xorg.libXinerama
+						xorg.libXScrnSaver
+						libpng
+						libpulseaudio
+						libvorbis
+						stdenv.cc.cc.lib
+						libkrb5
+						keyutils
+					];
+				};
 			};
 
 			gamemode.enable = true;