Changes to Download archive

added the non-success response with the status 401

added the optional property linkToDocs to the response with the 404 status

added the optional property linkToDocs to the response with the 409 status

added the optional property linkToDocs to the response with the 500 status

the response property context/items/params became required for the status 404

the response property context/items/params became required for the status 409

the response property context/items/params became required for the status 500

added the non-success response with the status 404

added the non-success response with the status 409

added the non-success response with the status 500

endpoint added