Before submitting a PR please make sure that:

1.  You have discussed your solution in an issue and have got an
    approval from a maintainer.  See our
    [contribution guide](https://github.com/AdguardTeam/AdGuardHome/blob/master/CONTRIBUTING.md).

2.  This isn't a localization fix; please send those to our
    [CrowdIn](https://crowdin.com/project/adguard-applications/en#/adguard-home)
    page.

3.  Your code follows our
    [code guidelines](https://github.com/AdguardTeam/CodeGuidelines/blob/master/Go/Go.md).

Add a short description here.  The description should include:

1.  Which issue this PR closes (`Closes #NNNN.`) or updates (`Updates
    #NNNN.`).  Please do not open PRs without filing an issue first.

2.  A short description of how the change achieves that.

Do not forget to remove these instructions!