Feature: Wildcard subdomains?

[clytras]

I can see there is a feature supporting subdomains with https://github.com/cristianoliveira/ergo/issues/11 and I'd like to ask if it would be possible to add wildcard subdomain support, something like the following format:

*.mydomain http://localhost:8080

will resolve to every subdomain automatically, like:

test.mydomain.dev
user10.mydomain.dev
admin.mydomain.dev

There are applications that have such features to generate subdomains and of course this is configurable in a DNS level and there are even wildcard SSL certificates and having such a feature for developement environment using Ergo would be awesome!