comando para criar um aplicativo React
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 hello-world
cd hello-world && npm startnpx create-react-app yourprojectname
#or
yarn create react-app yourprojectnameU.G.labour