code: async function makeDocumentableObject(folder) {
    const fullPath = path.join(REACT_MD_JS, folder);
    const contents = await readFile(path.join(fullPath, 'index.js'), 'UTF-8');
  
    const components = contents.split(/\r?\n/).reduce((exports, line) => {
      // go line-by-line in the src/js/SECTION/index.js file to get a list of the exported
      // components in this section
      if (line.match(/export/)) {
        const component = line.replace(/export (default |{ )?(\w+).*/, '$2');
        if (exports.indexOf(component) === -1 && DEPRECATED.indexOf(component) === -1 && component.indexOf('FakeInked') === -1) {
          exports.push(component);
        }
      }
  
      return exports;
    }, []);
  
    return { folder, components, fullPath };
  }
docs: Creates an object containing the component's folder (section), the fullPath
  to that folder, and a list of component file names in that folder.