Forgotten to commit

YongeStreet/Program.cs

@@ -1,5 +1,10 @@
+using YongeStreet.Services;
+
 var builder = WebApplication.CreateBuilder(args);
 
+//
+builder.Services.AddSingleton<DataService, DataService>();
+
 // Add services to the container.
 builder.Services.AddControllersWithViews();