Merge in DNS/adguard-home from fix-openapi to master Squashed commit of the following: commit 0e7530472fb566e5cab73d178c8ec16e5ef11dcb Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Wed Jan 13 17:02:06 2021 +0300 all: imp http handlers, imp docs