Quote from the mailing list post:
<a href="https://lists.orbitalfox.eu/archives/gemini/2021/006936.html" rel="nofollow">https://lists.orbitalfox.eu/archives/gemini/2021/006936.html</a><p>"Hey, I made a gemini chatroom if anyone wants to check it out! It's very simple right now and just stores messages in a file and reads the file. Heres the link, gemini://chatroom.yysu.xyz/."