documentation

Pull request #3509: feature/ZBX-25836-7.4-D

Merge in WEB/documentation from feature/ZBX-25836-7.4-D to release/7.4

* commit '70bba3de9f7c42325fc57177d4f607a0da500fed':
  [ZBX-25836] fixed shortcomings
  [ZBX-25836] fixed shortcomings
  [ZBX-25836] minor wording fix
  [ZBX-25836] improved improvements
  [ZBX-25836] fixed outdated lists of plugins available in Linux and Windows packages; optimized content and interlinking