text: import {AppRegistry} from 'react-native';
  import App from './App';
  import {name as appName} from './app.json';
  import * as serviceWorkerRegistration from './serviceWorkerRegistration';
  
  AppRegistry.registerComponent(appName, () => App);
  AppRegistry.runApplication(appName, {
    rootTag: document.getElementById('root'),
  });
  
  serviceWorkerRegistration.register();
  