add my own game to exported pkgs

flake.nix

@@ -34,7 +34,6 @@
       url = "github:catppuccin/starship";
       flake = false;
     };
-
   };
 
   outputs = { nixpkgs, self, ...} @ inputs:
@@ -43,7 +42,7 @@
       username = "frostphoenix";
     in
     {
-      # overlays.default = selfPkgs.overlay;
+      overlays.default = selfPkgs.overlay;
       nixosConfigurations = import ./modules/core/default.nix {
         inherit self nixpkgs inputs username;
       };

pkgs/default.nix

@@ -1,15 +1,12 @@
-{ default, ... }: 
-{
-  systems = ["x86_64-linux"];
-
-  perSystem = {
-    pkgs,
-    inputs',
-    ...
-  }: {
-    packages = {
-      _2048 = pkgs.callPackage ./2048 {};
-      
-    };
+rec{
+  overlay = final: prev:
+    let
+      dirContents = builtins.readDir ../pkgs;
+      genPackage = name: {
+        inherit name;
+        value = final.callPackage (../pkgs + "/${name}") { };
       };
+      names = builtins.attrNames dirContents;
+    in
+    builtins.listToAttrs (map genPackage names);
 }