feat(constants, bll, templateActivator): заготовка для templateActivator

PARR.TemplateActivatorWorker/Program.cs

@@ -0,0 +1,10 @@
+using PARR.TemplateActivatorWorker;
+
+IHost host = Host.CreateDefaultBuilder(args)
+    .ConfigureServices(services =>
+    {
+        services.AddHostedService<Worker>();
+    })
+    .Build();
+
+host.Run();