documentation

Pull request #1740: feature/ZBXNEXT-8683-7.0-D. Added honeycomb widget.

Merge in WEB/documentation from feature/ZBXNEXT-8683-7.0-D to release/7.0

* commit 'd9d5f4f39c53399c19da60d96d2f008dc94f8305':
  [ZBXNEXT-8683] refined Background color parameter placement in table
  [ZBXNEXT-8683] updated macros-related wording
  [ZBXNEXT-8683] updated image size, updated grammar & wording
  [ZBXNEXT-8683] updated Position parameter
  [ZBXNEXT-8683] updated supported macros
  [ZBXNEXT-8683] fixed shortcomings
  [ZBXNEXT-8683] added honeycomb widget