 need to build a small service in go with grpc.

Requirements:
1) Language Golang 
2) GRPC 
3) Logging ZAP 
4) Tracing and monitering Datadog 
5) Authentication JWT Token 
6) The service will be called categorization-service 

The service will have a single endpoint called classify.
This will accept a stream of messages and get back a stream of results 