Implement WS-Discovery Discovery Proxy microservice

[ajcasagrande]

Idea would be to implement a discovery proxy that sits on the host network that can perform multicast discovery, and respond to unicast probes from the device-service.

https://stackoverflow.com/questions/29370598/ws-discovery-for-cameras-on-different-logical-network

http://docs.oasis-open.org/ws-dd/discovery/1.1/cd-01/wsdd-discovery-1.1-spec-cd-01.html#_Toc220905457

https://www.genivia.com/doc/wsdd/html/wsdd_0.html