* Added new namespace "Aspects" and types dedicated for aspected handlers processing, including Pre\Post processors

* Added new DescriptorAspectsSet class, used for mamanging and executing aspects of handlers
* Processors can prevent handlers execution using Result.Fault()
* Added field to DescribedHandlerInfo for getting descriptor from which this handler was described
* Removed unused reflection extension methods

Telegrator.Hosting.Web/TelegramBotWebOptions.cs

@@ -1,6 +1,5 @@
 using Microsoft.AspNetCore.Builder;
 using Microsoft.Extensions.Options;
-using System.Diagnostics.CodeAnalysis;
 
 namespace Telegrator.Hosting.Web
 {