Added Agent Services to program startup

RobotsWantedLeague/Program.cs

@@ -5,6 +5,7 @@ var builder = WebApplication.CreateBuilder(args);
 // Add services to the container.
 builder.Services.AddControllersWithViews();
 builder.Services.AddSingleton<IRobotsService, NotEmptyRobotsService>();
+builder.Services.AddSingleton<IAgentsService, AgentsService>();
 var app = builder.Build();
 
 // Configure the HTTP request pipeline.