documentation

[ZBXNEXT-8121] updated script API documentation

* commit '42450e8f0b203744c90445f99e829424b19575a1':
  [ZBXNEXT-8121] reverted changes
  [ZBXNEXT-8121] removed unnecessary empty lines
  [ZBXNEXT-8121] updated script API documentation
  [ZBXNEXT-8121] updated comment numbers for script API documentation
  [ZBXNEXT-8121] updated script API documentation