Consider ONIX for ISBN as new output format #702
Description
Is your feature request related to a problem? Please describe.
We are looking to support publishers' workflows regarding ISBN registration of their titles. According to the International ISBN Agency, EdiTEUR's ONIX for ISBN format has been designed to help with sending book title data to national ISBN agencies, so Thoth providing an export of that might be useful
Describe the solution you'd like
Provision of ONIX for ISBN as a dedicated Thoth export format
Additional information
The latest ONIX for ISBN Registration 2.0 message format is a simplified subset of ONIX for Books release 3.0