01 - Create a React app from scratch with create-react-app

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In this lesson, we'll start a new React project using create-react-app.
create-react-app is the easiest way to get started with React. This CLI tool will scaffold a bare-bones React application pre-configured for you, so you don't have to worry about tooling like webpack, babel, etc.
Once installed, we'll briefly explore the structure of our newly created React app, and take a look at the most important files, and do some cleanup, so we're ready to get started.