message: Exported web tab bar when platform is web
diff: import React from 'react';
  import { requireNativeComponent, Platform, StyleSheet, View, I18nManager } from 'react-native';
  import BackButton from './BackButton';
  +import TabBarWeb from './web/TabBar';
  class TabBar extends React.Component<any, any> {
  private ref: React.RefObject<View>;
  @@ -112,4 +113,4 @@ const styles = StyleSheet.create({
  },
  });
  -export default TabBar;
  +export default Platform.OS !== 'web' ? TabBar : TabBarWeb;
  