Add events aggregator

Hcs.WebApp/Program.cs

@@ -74,10 +74,13 @@ builder.Services.AddScoped<HouseService>();
 builder.Services.AddSingleton<CampaignManagementState>();
 builder.Services.AddSingleton<OperationExecutionState>();
 builder.Services.AddSingleton<ResultGetState>();
+
 builder.Services.AddSingleton<ManagerFactory>();
 builder.Services.AddSingleton<ExecutorFactory>();
 builder.Services.AddSingleton<ResultGetterFactory>();
 
+builder.Services.AddSingleton<EventsAggregator>();
+
 builder.Services.AddHostedService<CampaignManagementService>();
 builder.Services.AddHostedService<OperationExecutionService>();
 builder.Services.AddHostedService<ResultGetService>();