First, copy example environment variables and add missing ones:
cp .env.example .env.local
Storyblok token can be found from Settings / API-Keys from the Storyblok UI—it's the one with that preview label.
Then just install packages and start the app:
cd client
npm ci
npm start
Pushes to main branch will trigger an automatic deployment to development environment.
Built client is stored in S3 bucket and served through CloudFront. Thats it.