message: Changed href to tocHref and added topicHref
diff: - name: Office Add-ins
  - href: /office/dev/add-ins/index
  + tocHref: /office/dev/add-ins/
  + topicHref: /office/dev/add-ins/index
  items:
  - name: JavaScript API for Office
  tocHref: /javascript/office/
  