Merge in DNS/adguard-home from 2484-access-control to master
Updates #2484.
Squashed commit of the following:
commit 4f0c6ddae35b55a9251f4d5e14c4d92fd2107443
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date: Fri Feb 5 12:42:22 2021 +0300
home: don't allow all origins