If you just cloned the repository, enter in project folder and install the dependencies with:
cd web-proffy-nlw2 && yarn
After that, you can run:
yarn start
Runs the app in the development mode.
Open http://localhost:3000 to view it in the browser.
The page will reload if you make edits.
You will also see any lint errors in the console.
This project was bootstrapped with Create React App.
You can learn more in the Create React App documentation.
To learn React, check out the React documentation.