documentation

Pull request #1656: feature/ZBX-23913-6.0-D: Updated agent 2 Win requirements.

Merge in WEB/documentation from feature/ZBX-23913-6.0-D to release/6.0

* commit '4e80ef901b2566d6a9b349a333fa3bd6f53495c8':
  [ZBX-23913] Edited version
  [ZBX-23913] Updated pages