but they haven't responded
They usually do not respond to such mails. Your games will just be indexed one day. Itch staff is bogged down because of many requests. Expected waiting times when this happens is over a month.
Also read here for more information. https://itch.io/t/4120453/game-quarantined-search-or-indexing-problem-read-this
Your tinkering with your game's settings might have put you on manual review. None of your games are currently indexed.