- Create a package.json with details or use npm init command to create package.
- run npm install https://github.com/{user_name}/{repo_name}/tarball/master
- run gulp command to publish your app
If you want to edit the React code, you'll have to re-build the assets/js/bundle.js file with Webpack, it will also change ES6 code to ES5 compaitible code so that browser can understand. To rebuild with webpack, you need to use gulp command.