documentation

Pull request #2193: Feature/ZBX-25690 7.3 D

Merge in WEB/documentation from feature/ZBX-25690-7.3-D to release/7.4

* commit '693a0803e4a1d415fb6c5d7cd056a16bca19dd1d':
  ZBX-25690 changed an article.
  ZBX-25690 updated examples descriptions.
  ZBX-25690 combined the standard template properties to one example.
  ZBX-25690 corrections of macros examples descriptions.
  ZBX-25690 corrected comments format.
  ZBX-25690 corrected mistakes, clarified sentences.
  ZBX-25690 added the missing article.
  ZBX-25690 wording improvement.
  ZBX-25690 new examples for the method using various parameters.