NPM erstellen React-App
npx create-react-app my-app
cd my-app
npm start
Proud Panther
npx create-react-app my-app
cd my-app
npm startnpx create-react-app app-name
cd app-name
npm startnpx create-react-app my-app
cd my-app
yarn startnpx --ignore-existing create-react-app .