* Add html to rule S6821
* Update with html rspec
* Share rationale
* Address comments
* Comments
---------
Co-authored-by: zglicz <zglicz@users.noreply.github.com>
Co-authored-by: Michal Zgliczynski <michal.zgliczynski@sonarsource.com>
Co-authored-by: Victor <victor.diez@sonarsource.com>
