documentation

Pull request #1389: Feature/ZBXNEXT-7761 7.0 D

Merge in WEB/documentation from feature/ZBXNEXT-7761-7.0-D to release/7.0

* commit 'cf04f7c8d5a17c6be48e8620cd851e1917e7ea92':
  ZBXNEXT-7761-7.0 edited
  ZBXNEXT-7761-7.0 edited
  ZBXNEXT-7761-7.0 screenshots changed
  ZBXNEXT-7761-7.0 screenshot resized
  ZBXNEXT-7761-7.0 table formatted
  ZBXNEXT-7761-7.0 edited
  ZBXNEXT-7761-7.0 user group permissions modified