fix[work]: fix aws,cdr commands, easier git switch in emacs

pkgs/flake/vershell/default.nix

@@ -0,0 +1,9 @@
+{ name, writeShellApplication, ... }:
+
+writeShellApplication {
+  inherit name;
+  runtimeInputs = [ ];
+  text = ''
+    nix shell github:nixos/nixpkgs/"$1"#"$2";
+  '';
+}