The viaduct is a bridge that carries a road across a valley，the valley is the gap between cloud and edge and the bridge is the connection across the gap
Viaduct use the protobuf3.0 to serialize message that defined in beehive and provide apis for connection and message operations
By now, Viaduct has supported websocket(gorilla websocket) and quic(quic-go) as the basic transport protocol
- add ut
- add e2e testing
- add benchmark