More product setup

AobaCore/Extensions.cs

@@ -0,0 +1,17 @@
+using Microsoft.Extensions.DependencyInjection;
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AobaCore;
+public static class Extensions
+{
+	public static IServiceCollection AddAoba(this IServiceCollection services)
+	{
+		services.AddSingleton<AobaService>();
+		return services;
+	}
+}