Apply dotnet format with new editorconfig rules

Automated formatting: BOM removal, using sort order, final newlines,
whitespace normalization across all projects.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Svrnty.CQRS.Abstractions/ServiceCollectionExtensions.cs

@@ -1,4 +1,4 @@
-using System.Diagnostics.CodeAnalysis;
+using System.Diagnostics.CodeAnalysis;
 using Microsoft.Extensions.DependencyInjection;
 using Svrnty.CQRS.Abstractions.Discovery;
 
@@ -47,4 +47,4 @@ public static class ServiceCollectionExtensions
 
         return services;
     }
-}
+}