Merge in DNS/adguard-home from method-const to master Squashed commit of the following: commit ae6d6699a25ca04ba92aa53258d46e50233a9e00 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Jan 29 22:03:59 2021 +0300 all: use http method constants