【喜大普奔】zabbix 能监控 tidb 集群了 && tidb 能存储 zabbix 监控数据了

#TiDB is an open-source NewSQL database that supports Hybrid Transactional and Analytical Processing workloads. The new template makes it possible to monitor TiDB server of TiDB cluster by #Zabbix: https://www.zabbix.com/integrations/tidb