Merge in GO/dnsproxy from 418-hosts-files-paths to master

Squashed commit of the following:

commit 8f9d0a4fbf9dada88c3259f5a357e6b7bcc29afe
Author: Stanislav Chzhen <s.chzhen@adguard.com>
Date:   Thu Dec 26 16:16:20 2024 +0300

    all: imp code

commit 5a4b52be3be0d52802727cc7809bf4bd45b2d933
Author: Stanislav Chzhen <s.chzhen@adguard.com>
Date:   Thu Dec 26 15:39:28 2024 +0300

    all: imp code

commit ccca73513acda479c7591fd6b33f308a032ccf13
Author: Stanislav Chzhen <s.chzhen@adguard.com>
Date:   Thu Dec 26 14:41:59 2024 +0300

    all: imp docs

commit b96522a073b0e44a0ca876a24a4b600926c3a203
Author: Stanislav Chzhen <s.chzhen@adguard.com>
Date:   Wed Dec 25 21:06:29 2024 +0300

    all: imp code

commit ee07edaa41ac32ff3795c47c654b9aaa97c485f8
Author: Stanislav Chzhen <s.chzhen@adguard.com>
Date:   Tue Dec 24 19:00:51 2024 +0300

    cmd: hosts files paths