message: add required metadata values
diff: "overwrite": [],
  "externalReference": [],
  "globalMetadata": {
  - "breadcrumb_path": "/javascript/office/breadcrumb/toc.json"
  + "breadcrumb_path": "/javascript/office/breadcrumb/toc.json",
  + "ms.author": "o365devx",
  + "author": "o365devx",
  + "ms.prod": "office",
  + "ms.technology": "office-add-ins",
  + "ms.devlang": "JavaScript"
  },
  "fileMetadata": {},
  "template": [],
  