* Add dotnet new template ASP.NET Core gRPC service
* Add Examples.GrpcService project to solution
* Submit to StyleCop's demands
* Add Open Telemetry
* Remove unused usings
* Add Grpc.Net.Client example to example Console project
* Remove comments from original template
* Fix file header
* Add exception handling when gRPC service has not been started
* Apply suggestions from code review
Co-authored-by: Reiley Yang <reyang@microsoft.com>
Co-authored-by: Reiley Yang <reyang@microsoft.com>
Co-authored-by: Cijo Thomas <cithomas@microsoft.com>
Alan West