This setup is based on react-scripts from create-react-app
A walkthrough of the principles used in this setup, can be read in this article

Start by downloading the cli:

npm i -g direflow-cli

direflow create

This will bootstrap a new Direflow Component for you. Now use the following commands:

cd <project-folder>
npm install
npm start

Your Direflow Component will start running on localhost:3000 and your browser opens a new window