message: fix nav links
diff: - title: Building Block Components
  - url: /building-block-components
  + url: /components/building-blocks
  children:
  - title: BorderBox
  url: /components/BorderBox
  url: /components/Tooltip
  - title: Helper Components
  - url: /helper-components
  + url: /components/helper-components
  children:
  - title: Box
  url: /components/Box
  - title: Pattern Components
  - url: /pattern-components
  + url: /components/pattern-components
  children:
  - title: Avatar
  url: /components/Avatar
  