code: function render(file, layout, context, partials, callback) {
    try {
      const data = mustache.render(layout, context, partials);
      async.nextTick(callback, null, data);
    } catch (error) {
      console.error(`${file.path}: Could not render the layout`);
      async.nextTick(callback, error);
    }
  }
docs: Render the page.