documentation

Pull request #1202: Feature/ZBXNEXT-8422 6.0 D

Merge in WEB/documentation from feature/ZBXNEXT-8422-6.0-D to release/6.0

* commit '9d0a6775825f096b61e3dfc68e859fceef3433a7':
  format: br added
  table augmented
  version number added
  numeration fixed
  correct template name added
  serverless added to whatsnew
  edit2
  3rd column edited
  Template AWS ECS added