**Initialize React Vite project with basic setup**

Add initial project structure including React, Vite, TailwindCSS, and Syncfusion dependencies. Configure tooling with ESLint, TypeScript, and Tailwind plugins. Set up `.gitignore`, Syncfusion themes, and example components for demonstration purposes.

Api/Program.cs

@@ -1,4 +1,5 @@
 using Api.SignalR;
+using Microsoft.AspNetCore.SignalR;
 
 var builder = WebApplication.CreateBuilder(args);
 
@@ -8,6 +9,7 @@ builder.Services.AddEndpointsApiExplorer();
 builder.Services.AddOpenApi();
 builder.Services.AddSignalR();
 builder.Services.AddHostedService<SignalRSendService>();
+builder.Services.AddSingleton<IUserIdProvider, UserProvider>();
 builder.Services.AddOpenApiDocument(config =>
 {
     config.Title = "NSwag Demo API";