now using flake-parts; refactored nixosConfigurations; using hm standalone

hosts/modules/gaming.nix

@@ -0,0 +1,36 @@
+{ pkgs, ... }:
+
+{
+  environment.systemPackages = with pkgs; [
+    clonehero
+    heroic
+    mangohud
+    prismlauncher
+    protonup
+    steam-run
+  ];
+
+  programs = {
+    steam = {
+      enable = true;
+      extraCompatPackages = [ pkgs.proton-ge-bin ];
+    };
+    gamemode.enable = true;
+  };
+
+  hardware = {
+    xpadneo.enable = true;
+    steam-hardware.enable = true; # Allow steam client to manage controllers
+    graphics.enable32Bit = true; # For OpenGL games
+  };
+
+  services.flatpak.packages = [
+    "com.github.k4zmu2a.spacecadetpinball"
+    "com.steamgriddb.SGDBoop"
+    "io.github.Foldex.AdwSteamGtk"
+    "io.itch.itch"
+    "io.mrarm.mcpelauncher"
+    "net.retrodeck.retrodeck"
+    "org.freedesktop.Platform.VulkanLayer.MangoHud/x86_64/24.08"
+  ];
+}