Pull request: 2662 dnscrypt logs

Merge in DNS/adguard-home from 2662-dnscrypt-logs to master

Closes #2662.

Squashed commit of the following:

commit 05f6742b5c73e1d150834965ae3a54ca06ef8e24
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Thu Feb 11 12:58:08 2021 +0300

    all: imp docs

commit ee0b8c574c1cb5302a5ffb62d2fec4126509b2e8
Merge: aaa8c6b8 e64df20e
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Thu Feb 11 12:56:44 2021 +0300

    Merge branch 'master' into 2662-dnscrypt-logs

commit aaa8c6b8085679f4acd234527bd03cb0b2520b4f
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Thu Feb 11 12:38:49 2021 +0300

    all: document changes

commit 57b6a4d8e95e87d928274d095dc2004f1591d940
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Thu Feb 11 12:36:22 2021 +0300

    all: fix dnscrypt in logs

CHANGELOG.md

@@ -20,9 +20,13 @@ and this project adheres to
 ### Fixed
 
 - Incorrect version tag in the Docker release ([#2663]).
+- DNSCrypt queries weren't marked as such in logs ([#2662]).
 
+[#2662]: https://github.com/AdguardTeam/AdGuardHome/issues/2662
 [#2663]: https://github.com/AdguardTeam/AdGuardHome/issues/2663
 
+
+
 ## [v0.105.0] - 2021-02-10
 
 ### Added