now exposes package located inside overlays.default

todo: add filter based on meta.platforms

modules/flake/packages.nix

@@ -0,0 +1,24 @@
+{ inputs, ... }:
+{
+  perSystem =
+    {
+      system,
+      ...
+    }:
+    let
+      overlay = inputs.self.overlays.default;
+
+      # Apply the overlay to nixpkgs
+      customPkgs = import inputs.nixpkgs {
+        inherit system;
+        overlays = [ overlay ];
+      };
+
+      # Automatically extract only the packages added by the overlay
+      # You could also list them manually
+      generatedPackages = builtins.intersectAttrs (overlay customPkgs customPkgs) customPkgs;
+    in
+    {
+      packages = generatedPackages;
+    };
+}