code: function indexReducers() {
    const { reducers = {} } = getComponentsSettings();
  
    return index({
      file: 'reducers.js',
      config: {
        type: TYPE_REDUCERS,
        config: reducers,
      },
      defaultContent: 'export default null;\n',
      ...getIndexLogTranslations(TYPE_REDUCERS),
    });
  }
docs: Indexes the reducers from extensions.
  @return {Promise}