Check out the different branches for different approaches to this problem.
npm i
./node_modules/.bin/lerna bootstrap
cd packages/react-dep && npm run build
cd ../main && npm start
You will get an Invalid hook call error - which is because there are two versions of react around.
facebook/react#14257 (comment)
The problem is that the react-dep code is using its own version of react, rather than using the version in main.