Reaccionar la aplicación
npx create-react-app my-app
cd my-app
npm start
Proud Panther
npx create-react-app my-app
cd my-app
npm start
npx create-react-app my-app
cd my-app
yarn start
npm install -g create-react-app
create-react-app react-app
cd my-app
npm start
npx --ignore-existing create-react-app .
npm install --save react-styleguidist