documentation

Pull request #2942: Feature/ZBX-26509 7.5 D

Merge in WEB/documentation from feature/ZBX-26509-7.5-D to release/8.0

* commit 'cf0067c935e46461d5d79081ce0355fd7b684434':
  ZBX-26509 formatting.
  ZBX-26509 modified parameters description for Windows agent 2, minor fixes.
  ZBX-26509 formatting.
  ZBX-26509 updated parameters description.
  ZBX-26509 added links, removed redundant text, clarified autoregistration section, updated formatting.
  ZBX-26509 improved parameters description.