- Provides a container whose traffic is routed through Mullvad VPN.
- An option `sydnix.deertopia.mullvad.container.modules` is provided to
"hook into" the container's NixOS config.
By 'foundational,' I mean that a demo is working correctly. Work will
continue in a follow-up commit integrating existing services with LDAP
and Authelia. ♥
