message: less verbose CLI sidebar
diff: @@ -33,7 +33,8 @@ function writePage(page) {
  function renderFrontmatter({ name }) {
  const frontmatter = {
  - title: name.replace('ionic ', '')
  + title: name.replace('ionic ', ''),
  + sidebar_label: name.replace('ionic ', '')
  };
  return `---
  