20.09: missing /var/{cache,log}/nginx directories prevent nixcloud.reverse-proxy to start

[fgaz]

https://nixos.org/manual/nixos/stable/release-notes.html#sec-release-20.09

The Nginx log directory has been moved to /var/log/nginx, the cache directory to /var/cache/nginx. The option services.nginx.stateDir has been removed.

[qknight]

I'll be looking into this soon. Kind of back from my winter-sleep ;-)