Adds a new module for the nixery.dev domain and serves it from whitby.
Note that the DNS records do *not* point to whitby yet, so deploying
this will lead to a failed TLS provisioning unit - but this is
intentional.
Change-Id: I911f67a0aa24f8df3cb52d2cfc49a8b6132cf718
Reviewed-on: https://cl.tvl.fyi/c/depot/+/3383
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>