Image as base64
This example renders a single image whose source is a base64-encoded GIF string embedded directly in the code. It uses React to define an `App` component that returns an `<img>` element, with the `src` attribute constructed as a data URI by concatenating `data:image/gif;base64,` with the encoded string. ReactDOM mounts the component into the `#root` DOM element. The page loads React and ReactDOM from unpkg CDN scripts, and the visible result is the decoded GIF displayed at its natural size.