there is now a dns record (and virtual host) that will redirect requests from $user.tilde.team to tilde.team/~$user -- for example ben.tilde.team redirects to tilde.team/~ben
also, the redirect preserves paths, so you can link to something under your user directory like this ben.tilde.team/blog => becomes tilde.team/~ben/blog
there are no ssl certs for these subdomains, so you will have to request those with plain http
edit: there is now a wildcard cert from letsencrypt for *.tilde.team, so you can use https with your username as a subdomain!! :)