I just published a G-Suite add-on, following all the steps from this document:
https://developers.google.com/gsuite/add-ons/how-tos/publishing-editor-addons
I have a listing in the Chrome Web Store:
I also followed the steps for the GSuite Marketplace, but I'm stuck at the "Publish" step.
No matter what I fill in in this form, the 'Publish' button stays grayed out. I am not sure if this is expected, but it's also not clear what I can do to get this final step to work.