Add articles on logging and progress (#717)

* Add articles on logging and progress
* Address comments in PR review

docs/concepts/progress/samples/server/Program.cs

@@ -0,0 +1,22 @@
+using Progress.Tools;
+
+var builder = WebApplication.CreateBuilder(args);
+
+// Add services to the container.
+
+builder.Services.AddMcpServer()
+    .WithHttpTransport()
+    .WithTools<LongRunningTools>();
+
+builder.Logging.AddConsole(options =>
+{
+    options.LogToStandardErrorThreshold = LogLevel.Information;
+});
+
+var app = builder.Build();
+
+app.UseHttpsRedirection();
+
+app.MapMcp();
+
+app.Run();