documentation

Pull request #874: feature/ZBX-22262-7.0-D-API: Added examples for creating/updating hosts with PSK configured.

Merge in WEB/documentation from feature/ZBX-22262-7.0-D-API to release/7.0

* commit 'aac37cb7b271a808a475a955ac17f6fcb765b058':
  [ZBX-22262] Updated example descriptions (creating/updating hosts with PSK configured)
  [ZBX-22262] Added examples for creating/updating hosts with PSK configured