add my own game to exported pkgs

pkgs/2048/default.nix

@@ -0,0 +1,25 @@
+{ lib, stdenv, fetchFromGitHub, ... }:
+
+lib.mkDerivation rec {
+  pname = "2048";
+  version = "1.0";
+
+  src = fetchFromGitHub {
+    owner = "Frost-Phoenix";
+    repo = "nixos-config";
+    rev = "main";
+    sha256 = "..."; # Replace with the actual hash
+  };
+
+  buildInputs = [
+
+  ];
+
+  # buildPhase = ''
+    # make release
+  # '';
+
+  installPhase = ''
+    make install INSTALL_DIR=$out/bin
+  '';
+}