Moved 2 functions from different repo to this util library

flake.nix

@@ -0,0 +1,35 @@
+{
+  description = "A Collection Of Nix Utilities";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+  };
+
+  outputs = { self, nixpkgs }: {
+    writePythonApplication = {name, contentFile}: let
+          wrappedScript = pkgs.writeText "wrappedScript" (builtins.readFile contentFile);
+          in
+          pkgs.writeShellApplication {
+          name = name;
+          runtimeInputs = [
+              wrappedScript
+              pkgs.python311];
+          text = ''
+              exec ${pkgs.python38}/bin/python ${wrappedScript} "$@"
+          '';
+          };
+
+      writeBabashkaApplication = {name, contentFile}: let
+          wrappedScript = pkgs.writeText "wrappedScript" (builtins.readFile contentFile);
+          in
+          pkgs.writeShellApplication {
+          name = name;
+          runtimeInputs = [
+              wrappedScript
+              pkgs.babashka];
+          text = ''
+              exec ${pkgs.babashka}/bin/bb ${wrappedScript} "$@"
+          '';
+          };
+  };
+}