Changes to Upload a document file

added the new optional query request parameter pot_id

added the new optional query request parameter effective_from

added the required property stored_bytes to the response with the 201 status

added the new optional request property converter

added the new optional request property original_filename

added the new optional request property original_sha256

added the media type application/json for the response with the status 409

added the non-success response with the status 503

added the non-success response with the status 415

added the non-success response with the status 429