config changes (not working)

nix/configuration.nix

@@ -10,6 +10,7 @@
       ./hardware-configuration.nix
 			./modules/greetd/nixos.nix
 			./modules/stylix/nixos.nix
+			./modules/steam/nixos.nix
 	./disks.nix
     ];
 
@@ -25,7 +26,7 @@
 
   nix.settings.experimental-features = ["flakes" "nix-command"];
 
-  # networking.hostName = "nixos"; # Define your hostname.
+  networking.hostName = "doloroo-main"; # Define your hostname.
 
   nixpkgs.config.allowUnfree = true;
 
@@ -45,7 +46,7 @@
 	};
 
   # Set your time zone.
-  # time.timeZone = "Europe/Amsterdam";
+  time.timeZone = "Europe/London";
 
   # Configure network proxy if necessary
   # networking.proxy.default = "http://user:password@proxy:port/";
@@ -103,6 +104,17 @@
     package = config.boot.kernelPackages.nvidiaPackages.latest;
   };
 
+      fonts = {
+      enableDefaultPackages = true;
+      packages = with pkgs; [
+        jetbrains-mono
+        material-design-icons
+        material-symbols
+        nerd-fonts.caskaydia-cove
+      ];
+      fontDir.enable = true;
+    };
+
   # Configure keymap in X11
   # services.xserver.xkb.layout = "us";
   # services.xserver.xkb.options = "eurosign:e,caps:escape";
@@ -141,13 +153,6 @@
     wget
   ];
 
-  programs.steam = {
-    enable = true;
-    remotePlay.openFirewall = true; # Open ports in the firewall for Steam Remote Play
-    dedicatedServer.openFirewall = true; # Open ports in the firewall for Source Dedicated Server
-    localNetworkGameTransfers.openFirewall = true; # Open ports in the firewall for Steam Local Network Game Transfers
-  };
-
   # Some programs need SUID wrappers, can be configured further or are
   # started in user sessions.
   # programs.mtr.enable = true;

nix/modules/steam/nixos.nix

@@ -0,0 +1,44 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+let
+  cfg = config.modules.steam;
+in
+{
+  options = {
+    modules.steam.enable = lib.mkEnableOption "Steam configuration module";
+  };
+  config = lib.mkIf cfg.enable {
+    programs.steam = {
+      enable = true;
+      remotePlay.openFirewall = true;
+      dedicatedServer.openFirewall = true;
+      localNetworkGameTransfers.openFirewall = true;
+      # Ensure gamescope is inside the steam "fhs"
+      package = pkgs.steam.override {
+        extraLibraries = pkgs: [ pkgs.xorg.libxcb ];
+        extraPkgs =
+          pkgs: with pkgs; [
+            attr
+            xorg.libXcursor
+            xorg.libXi
+            xorg.libXinerama
+            xorg.libXScrnSaver
+            libpng
+            libpulseaudio
+            libvorbis
+            stdenv.cc.cc.lib
+            libkrb5
+            keyutils
+            mangohud
+            gamemode
+            (gamescope.overrideAttrs { enableWsi = true; })
+
+          ];
+      };
+    };
+  };
+}

nix/modules/stylix/home.nix

@@ -11,7 +11,7 @@ in
 {
 
   imports = [
-    ./shared.nix
+    #./shared.nix
     inputs.stylix.homeModules.stylix
   ];
   config = {

nix/modules/stylix/nixos.nix

@@ -14,10 +14,7 @@ in
     ./shared.nix
     inputs.stylix.nixosModules.stylix
   ];
-  options = {
-    modules.stylix.enable = lib.mkEnableOption "Steam configuration module";
-  };
-  config = lib.mkIf cfg.enable {
+  config = {
     stylix.enable = true;
   };