!qol(restructure): heavy restructure

modules/steam/default.nix

@@ -0,0 +1,4 @@
+_: {
+  # home: ./home.nix;
+  nixos = ./nixos.nix;
+}

modules/steam/nixos.nix

@@ -0,0 +1,47 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+let
+  cfg = config.modules.steam;
+in
+{
+  options.modules.steam = {
+    enable = lib.mkEnableOption "steam";
+  };
+  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
+            lsof
+            (gamescope.overrideAttrs {
+              enableWsi = true;
+              NIX_CFLAGS_COMPILE = [ "-fno-fast-math" ];
+            })
+          ];
+      };
+    };
+  };
+}