add api, Unregister, QueryTopicAddress.

lichao

2021-04-23 65a230ec6ccb61c3ce6816730da2106f07f40b4a

 src/proto.h

@@ -38,6 +38,7 @@

BHOME_SIMPLE_MAP_MSG(CommonReply);
BHOME_SIMPLE_MAP_MSG(Register);
BHOME_SIMPLE_MAP_MSG(Unregister);
BHOME_SIMPLE_MAP_MSG(RegisterRPC);
BHOME_SIMPLE_MAP_MSG(Heartbeat);
BHOME_SIMPLE_MAP_MSG(QueryTopic);