Represents the main component of the client-side React application.
It defines the routes for the app using the Routes and Route components from react-router-dom.
The Home component is rendered when the URL path is "/" and the About component is rendered when
the URL path is "/about".
Represents the main component of the client-side React application. It defines the routes for the app using the Routes and Route components from react-router-dom. The Home component is rendered when the URL path is "/" and the About component is rendered when the URL path is "/about".