Integration AdGuardHome and AdGuard VPN

Problem
Apply filters during use VPN and view query, usage logs.
If adguardhome run in different network with public IP, that isn't a problem but when agh on LAN then couldn't find a way to route vpn traffic through adguardhome. read more on 1425

https://github.com/AdguardTeam/AdGuardHome/issues/1425#issuecomment-629785422
>@ameshkov @eoopx there are no specific plans for that yet, but we're thinking about providing some kind of integration between AdGuard Home and AdGuard VPN later.