Extract shell scripts into a scripts directory

flake-parts/scripts.nix

@@ -0,0 +1,13 @@
+{ self, ... }:
+{
+  perSystem =
+    { pkgs, lib, ... }:
+    {
+      packages =
+        "${self}/scripts"
+        |> builtins.readDir
+        |> lib.attrNames
+        |> lib.map (name: name |> lib.removeSuffix ".nix")
+        |> self.lib.genAttrs (name: import "${self}/scripts/${name}.nix" { inherit pkgs; });
+    };
+}