Generated mutiple files for grpc

proto file

option java_multiple_files = true;

Fork from nils-spring-microservices-grpc/city-score/

Ref

grpc server cpp demo

grpc client cpp demo

grpc client with springboot demo

grpc server with springboot demo

grpc client java demo

grpc server java demo

sprintboot with grpc server. Fork from nils

gRPC Java Client App Implementation

grpc sample on github