Merge in DNS/adguard-home from 2607-querylog-client-id to master Closes #2607. Squashed commit of the following: commit 95367a82469af3b042489fb650b962b48cb73236 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Thu Jan 28 19:02:02 2021 +0300 all: fix client, imp docs commit b652a7ef2373a75f7e897d29f5c9e36b0e076f8e Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Thu Jan 28 18:36:17 2021 +0300 all: fix client id handling in querylog