app defined for password meter strength

app.js

/*
Password component and Meter components defined here
*/

class Application extends React.Component {
  render() {
    return (
      <div class="container">
        <h2 className="text-center mt-5">Password Meter</h2>
        <div className="d-md-flex justify-content-center mt-5"><Password meter={true} /></div>
      </div>
    );
  }
}

/*
 * Render the above component into the div#app
 */
React.render(<Application />, document.getElementById('app'));