related issues: https://github.com/apache/incubator-apisix/issues?q=is%3Aissue+is%3Aopen+v3+ `lua-resty-etcd` already supports etcd v3, we can support it by this feature: https://github.com/api7/lua-resty-etcd/blob/master/api_v3.md
related issues:
https://github.com/apache/incubator-apisix/issues?q=is%3Aissue+is%3Aopen+v3+
lua-resty-etcdalready supports etcd v3, we can support it by this feature:https://github.com/api7/lua-resty-etcd/blob/master/api_v3.md