adding grpc health check (#12)

Author: bigtallcampbell

src/Program.cs

@@ -36,6 +36,7 @@ public static void Main(string[] args) {
         app.UseRouting();
         app.UseEndpoints(endpoints => {
             endpoints.MapGrpcService<Microsoft.Azure.SpaceFx.Core.Services.MessageReceiver>();
+            endpoints.MapGrpcHealthChecksService();
             endpoints.MapGet("/", async context => {
                 await context.Response.WriteAsync("Communication with gRPC endpoints must be made through a gRPC client. To learn how to create a client, visit: https://go.microsoft.com/fwlink/?linkid=2086909");
             });

test/debugClient/Program.cs

@@ -43,6 +43,7 @@ public static void Main(string[] args) {
         app.UseRouting();
         app.UseEndpoints(endpoints => {
             endpoints.MapGrpcService<Core.Services.MessageReceiver>();
+            endpoints.MapGrpcHealthChecksService();
             endpoints.MapGet("/", async context => {
                 await context.Response.WriteAsync("Communication with gRPC endpoints must be made through a gRPC client. To learn how to create a client, visit: https://go.microsoft.com/fwlink/?linkid=2086909");
             });

test/integrationTests/TestSharedContext.cs

@@ -50,6 +50,7 @@ public TestSharedContext() {
         _grpcHost.UseRouting();
         _grpcHost.UseEndpoints(endpoints => {
             endpoints.MapGrpcService<Core.Services.MessageReceiver>();
+            endpoints.MapGrpcHealthChecksService();
             endpoints.MapGet("/", async context => {
                 await context.Response.WriteAsync("Communication with gRPC endpoints must be made through a gRPC client. To learn how to create a client, visit: https://go.microsoft.com/fwlink/?linkid=2086909");
             });