Added comments

NET8Blazor/PhotinoNetApp/Program.cs

@@ -2,6 +2,9 @@ using System.Drawing;
 using PhotinoNET;
 using PhotinoNetApp.Components;
 
+//
+// Standard .NET 8 template for web apps:
+//
 var builder = WebApplication.CreateBuilder();
 
 builder.Services.AddRazorComponents()
@@ -9,26 +12,42 @@ builder.Services.AddRazorComponents()
 
 builder.WebHost.UseWebRoot("wwwroot");
 builder.WebHost.UseStaticWebAssets();
+
+// I specified the URL with a port:
 builder.WebHost.UseUrls("http://localhost:5000");
 
 var app = builder.Build();
-
 app.UseStaticFiles();
 app.UseAntiforgery();
 app.MapRazorComponents<App>()
     .AddInteractiveServerRenderMode();
 
+//
+// End of standard template
+//
+
+// Using a cancellation token source, so we can exit the web server later:
 using var webServerCancellation = new CancellationTokenSource();
+
+// Run the webserver async in the background (no await used here):
 var webServerTask = app.RunAsync(webServerCancellation.Token);
 
+// Create the Photino window:
 var window = new PhotinoWindow()
     .SetTitle("Test App")
     .SetUseOsDefaultSize(false)
     .SetSize(new Size(1024, 900))
     .Center()
     .SetResizable(true)
+
+    // ... and load the web content at the URL / port:
     .Load("http://localhost:5000");
 
+// Wait until the Photino window was closed:
 window.WaitForClose();
+
+// Cancel the webserver using the token:
 webServerCancellation.Cancel();
+
+// Wait for the server to stop:
 await webServerTask;