Upload base NDA template PDF

Upload the PDF for a draft, PDF-backed base template. The request accepts one `file` field. The file must be a PDF no larger than 10 MB.

curl -X PUT "https://example.com/api/v1/nda-templates/497f6eca-6276-4993-bfeb-53cbbbba6f08/file" \  -F file="string"

{  "success": true}