Add utils script to create folders to prebuild React Native core (#51194)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/51194

This change adds an utils script to set up folders when needed.

## Changelog:

[INTERNAL] - Add utils script

Test Plan: This is tested in the next diff of the stack.

Reviewed By: cortinico

Differential Revision: D74393298

Pulled By: cipolleschi

fbshipit-source-id: db3db61ec938d2ebe5c0bf5ae0a42aa20c673bb0