Merge in DNS/adguard-home from 3998-fix-hosts-gen to master
Closes#3998
Squashed commit of the following:
commit b565d51afb6c292dd16accd45b7d37ed386714e8
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date: Thu Dec 23 16:25:02 2021 +0300
aghnet: make hosts rules match exactly