Batch Get Chunks

curl --request POST \
  --url http://localhost:8000/batch/chunks \
  --header 'Content-Type: application/json' \
  --data '[
  {
    "document_id": "<string>",
    "chunk_number": 123,
    "score": 123
  }
]'

[
  {
    "content": "<string>",
    "score": 123,
    "document_id": "<string>",
    "chunk_number": 123,
    "metadata": {},
    "content_type": "<string>",
    "filename": "<string>",
    "download_url": "<string>"
  }
]