function buildIndividualPages(contributors) {
  gutil.log(' ', 'Building individual pages of all contributors...');
  const files = wfHelper.getFileList(global.WF.src.content, ['**/*.md']);
  const filesByAuthor = wfHelper.splitByAuthor(files);
  const keys = Object.keys(contributors);
  keys.forEach(function(key) {
    if (!(key in filesByAuthor)) {
      return;
    }
    const contributor = contributors[key];
    filesByAuthor[key].sort(wfHelper.publishedComparator);
    const context = {
      id: key,
      contributor: contributor,
      articles: filesByAuthor[key],
    };
    const dest = DEST_ARTICLE_LIST.replace('{{key}}', key);
    wfTemplateHelper.renderTemplate(TEMPLATE_ARTICLE_LIST, context, dest);
  });
}
Loop through each contributor and render individaul contribution index.

@param {Array} contributors The list of contributors