Refactor WebSocket routing and error handling logic

Replaces `Dictionary` with `ConcurrentDictionary` for thread-safe WebSocket route management and improves error logging with added debug assertions. Also fixes duplicate registrations, enhances dependency injection, updates package references, and adjusts WebSocket attribute structure for better extensibility and usage.

Examples/Program.cs

@@ -46,6 +46,8 @@ internal class Startup
         services.AddScoped<IConfiguration>(_ => new ConfigurationBuilder()
             .AddJsonFile("appsettings.json", true)
             .Build());
+        
+        
     }
 
     public static void Configure(IApplicationBuilder app)