documentation

Pull request #1158: Feature/ZBX-22399 6.0 D

Merge in WEB/documentation from feature/ZBX-22399-6.0-D to release/6.0

* commit '0c582c12244dd1a56a4832b07d35d1ce11ab14c7':
  [ZBX-22399] fixed plugin name and some parameters
  formatting fix
  [ZBX-22399] New MongoDB parameters
  [ZBX-22399] MQTT plugin now supports TLS encryption
  [ZBX-22399] added session and default parameters to MQTT plugin