docs: add missing path_setup_link (#879)

Author: alestiago

site/docs/overview.md

@@ -150,3 +150,4 @@ Run "very_good help <command>" for more information about a command.
 [flutter_sdk]: https://docs.flutter.dev/get-started/install
 [very_good_cli]: https://raw.githubusercontent.com/VeryGoodOpenSource/very_good_cli/main/doc/assets/very_good_create.gif
 [new_syntax_link]: /docs/resources/syntax_changes_in_0_10_0
+[path_setup_link]: https://dart.dev/tools/pub/cmd/pub-global#running-a-script-from-your-path