react show new app

1function App() {
2  return (
3    <div className="App">
4      <header className="App-header">
5        <img src={logo} className="App-logo" alt="logo" />
6        <p>
7          Edit <code>src/App.js</code> and save to reload.
8        </p>
9        <a
10          className="App-link"
11          href="https://reactjs.org"
12          target="_blank"
13          rel="noopener noreferrer"
14        >
15          Learn React
16        </a>
17      </header>
18    </div>
19  );
20}