documentation

Pull request #1625: feature/ZBX-22707-7.0-D. [ZBX-22707] Added ODBC install instructions for Ubuntu/Deabian; refined page wording, formatting and section structure.

Merge in WEB/documentation from feature/ZBX-22707-7.0-D to release/7.0

* commit 'b27ef5ddc713977ac12ce851eff13487dd232fa4':
  [ZBX-22707] Split long text block
  [ZBX-22707] Shortened unixODBC install instructions
  [ZBX-22707] Fixed parameter name
  [ZBX-22707] Fixed code block not rendering
  [ZBX-22707] Refined words & format
  [ZBX-22707] Fixed broken link
  [ZBX-22707] Incorporated sub-pages into main page
  [ZBX-22707] Incorporated section into note
  [ZBX-22707] Moved sections to improve page structure
  [ZBX-22707] Refined item type formatting
  [ZBX-22707] Refined page instructions, wording & formatting
  [ZBX-22707] Added ODBC install instructions for Ubuntu/Deabian; refined page wording & formatting