Zabbix

...G...... [ZBX-23750] added README to smart plugin

* commit '90cdd582c4a599869d75151c09460c72b9005352':
  ...G...... [ZBX-23750] added changelog entry
  ...G...... [ZBX-23750] added missing information to README
  ...G...... [ZBX-23750] added README to smart plugin