Some publisher console updates

Submitting newsletters to The Sample is now completely automatic! At least, it's automatic for me. I guess what I really mean is, people who submit their newsletter to The Sample now have to do the work instead of me. I made a little demo recording of the new flow for anyone who'd like to see it:


This is a companion discussion topic for the original entry at https://blog.thesample.ai/p/report-2022-07-25/