Example app code styling fixes

Author: Nicolas Garnier

example/src/App.jsx

@@ -62,7 +62,9 @@ export default class App extends React.Component {
   render() {
     return (
       <div className={styles.container}>
-        <div className={styles.logo}><i className={styles.logoIcon + ' material-icons'}>photo</i> My App</div>
+        <div className={styles.logo}>
+          <i className={styles.logoIcon + ' material-icons'}>photo</i> My App
+        </div>
         <div className={styles.caption}>This is a cool demo app</div>
         {!this.state.signedIn &&
           <div>
@@ -75,7 +77,7 @@ export default class App extends React.Component {
         </div>
         }
       </div>
-    )
+    );
   }
 }