code: function buildDocs(api) {
    const view = buildTemplateView(api);
  
    // build up readmes one at a time
    const queue = d3.queue(1);
  
    Object.keys(api).forEach((filepath) => {
      queue.defer(buildReadMe, filepath, view);
    });
  
    queue.await((err) => {
      if (err) {
        console.log(err);
      }
  
      console.log('Finished building docs');
    });
  }
docs: accept output from react-docgen, create READMEs
  @param {Object} api