Add the decode_jwt script.

nix/configuration/roles/base/default.nix

@@ -14,6 +14,7 @@ let
   cleanup_temporary_files = (
     patchScriptBin "cleanup_temporary_files" (builtins.readFile ./files/cleanup_temporary_files.bash)
   );
+  decode_jwt = (patchScriptBin "decode_jwt" (builtins.readFile ./files/decode_jwt.bash));
   alias_rga = pkgs.writeShellScriptBin "rga" ''
     exec ${pkgs.ripgrep}/bin/rg -uuu "''${@}"
   '';
@@ -59,6 +60,7 @@ in
       nix-output-monitor # For better view into nixos-rebuild
       # nix-serve-ng # Serve nix store over http
       cleanup_temporary_files
+      decode_jwt
       jq
       inetutils # For whois
     ];