Publish Grpc.AspNetCore.HealthChecks package (#1509)

Author: JamesNK

kokoro/build_nuget.sh

@@ -41,4 +41,5 @@ build/expand_dev_version.sh
 (cd src/Grpc.AspNetCore.Server.Reflection && dotnet pack --configuration Release --output ../../artifacts -p:ContinuousIntegrationBuild=true)
 (cd src/Grpc.AspNetCore && dotnet pack --configuration Release --output ../../artifacts -p:ContinuousIntegrationBuild=true)
 (cd src/Grpc.AspNetCore.Web && dotnet pack --configuration Release --output ../../artifacts -p:ContinuousIntegrationBuild=true)
+(cd src/Grpc.AspNetCore.HealthChecks && dotnet pack --configuration Release --output ../../artifacts -p:ContinuousIntegrationBuild=true)
 (cd src/dotnet-grpc && dotnet pack --configuration Release --output ../../artifacts -p:ContinuousIntegrationBuild=true)

src/Grpc.AspNetCore.HealthChecks/README.md

@@ -1,5 +1 @@
-# Experimental project
-
-Grpc.AspNetCore.HealthChecks provides integration between [Health checks in ASP.NET Core](https://docs.microsoft.com/aspnet/core/host-and-deploy/health-checks) and the [Grpc.HealthCheck package](https://www.nuget.org/packages/Grpc.HealthCheck).
-
-This project is currently not published, but you can copy the code to use in your own applications. If a published package of Grpc.AspNetCore.HealthChecks would be useful for you, please give feedback at https://github.com/grpc/grpc-dotnet/issues
+Grpc.AspNetCore.HealthChecks provides integration between [Health checks in ASP.NET Core](https://docs.microsoft.com/aspnet/core/host-and-deploy/health-checks) and the [Grpc.HealthCheck package](https://www.nuget.org/packages/Grpc.HealthCheck).