documentation

Pull request #2580: Feature/ZBX-24714 7.0 D

Merge in WEB/documentation from feature/ZBX-24714-7.0-D to release/7.0

* commit '3d3227f499e54938e7c8791e7c6ed76addf212fc':
  ZBX-24714 added spaces.
  ZBX-24714 added an entry to the what's new page.
  ZBX-24714 updated screenshot.