Poll document generation job status

curl --request GET \
  --url https://api.markdown2pdf.ai/v1/markdown/job/{job_id}/status

{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "description": "<string>",
  "status": "Not Started",
  "status_meta": "<string>",
  "progress": 0.5,
  "path": "<string>"
}