message: Resolves
  didn't quite do the job, because it advises the consumer to import ./native-base-theme/index which doesn't exist and resulted in an error:
  ResolveError: Unable to resolve module ./native-base-theme/index
diff: @@ -10,7 +10,7 @@ try {
  'NativeBase theme has been copied at ' + path.join(process.cwd(), 'native-base-theme'),
  'Here\'s how to theme your app',
  '',
  - 'import getTheme from \'./native-base-theme/index\';',
  + 'import getTheme from \'./native-base-theme/components\';',
  'export default class ThemeExample extends Component {',
  'render() {',
  ' return (',
  