Pull request title should be `MF-XXX - description` or `NOISSUE - description` where XXX is ID of issue that this PR relate to.
Please review the [CONTRIBUTING.md](https://github.com/mainflux/mainflux/blob/master/CONTRIBUTING.md) file for detailed contributing guidelines.

### What does this do?

### Which issue(s) does this PR fix/relate to?
Put here `Resolves #XXX` to auto-close the issue that your PR fixes (if such)

### List any changes that modify/break current functionality

### Have you included tests for your changes?

### Did you document any new/modified functionality?

### Notes