Create React Wptheme Versions Save

I've fix all the currently outstanding open issues across all repos that Create-React-WPTheme uses. So seems like a good time to cut a release.

This also fixes a long-standing bug with the error overlay and TypeScript.

This is the final release that will point to these react-scripts: https://github.com/devloco/react-scripts-wptheme

All future releases will use the scripts from the full fork of Facebook's create-react-app, stored here: https://github.com/devloco/create-react-app