Added SinaglR

Server/Pages/Notification.cshtml.cs

@@ -0,0 +1,16 @@
+using Microsoft.AspNetCore.Mvc.RazorPages;
+
+namespace Barcode.Host.Server.Pages;
+
+public class NotificationModel : PageModel
+{
+    private readonly ILogger<NotificationModel> _Logger;
+
+    public NotificationModel(ILogger<NotificationModel> logger) =>
+        _Logger = logger;
+
+    public void OnGet()
+    {
+
+    }
+}