Thanks for a solid, easy upgrade!
For additional reference, visit the NamelessMC Docs.
If you already have content on your website, install it on a subdomain and update your DNS records. If you don't know how to do that, a separate website is best. https://docs.namelessmc.com/en/installation
This is supposed to already be supported per the Nameless-Link bot documentation on Github. If you want to see it working properly, please upvote and/or comment on this issue: