feat(gaming): add r2modman and some steam stuff

devices/binto/modules/nix-gaming.nix

@@ -1,17 +1,27 @@
 {
+  config,
   nix-gaming,
   pkgs,
   ...
-}: {
+}: let
+  inherit (config.vars) mainUser;
+
+  wine = nix-gaming.packages.${pkgs.system}.wine-ge;
+in {
+  imports = [
+    nix-gaming.nixosModules.platformOptimizations
+  ];
+
   programs = {
     steam = {
-      # Disable HW accel to fix flickers
       enable = true;
       remotePlay.openFirewall = true;
 
       extraCompatPackages = with pkgs; [
         proton-ge-bin
       ];
+
+      platformOptimizations.enable = true;
     };
   };
 
@@ -21,8 +31,15 @@
         # List library dependencies here
       ];
       extraPkgs = pkgs: [
-        nix-gaming.packages.${pkgs.system}.wine-ge
+        wine
       ];
     })
+
+    pkgs.r2modman
   ];
+
+  # Give wine a constant path for lutris
+  home-manager.users.${mainUser}.home.file = {
+    ".bin/wine".source = "${wine}/bin/wine";
+  };
 }