Update document metadata.

{
  "title": "Title",
  "url": "https://example.com/",
  "description": "One to two sentences.",
  "image": "https://example.com/image.png"
}

{
  "status": "success",
  "data": {
    "id": 1,
    "url": "https://www.example.com",
    "title": "Example Domain",
    "description": "This domain is for use in illustrative examples in documents. You may use this domain in literature without prior coordination or asking for permission.",
    "summary": "A reserved example domain used for illustration in documentation, which anyone may cite without asking for permission.",
    "image": "https://www.example.com/image.png"
  }
}