fix(architecture): corrections of architecture

RT.API/Program.cs

@@ -5,7 +5,7 @@ using Microsoft.IdentityModel.Tokens;
 using RT.Application;
 using RT.Infrastructure;
 using RT.Infrastructure.Data;
-using RT.Infrastructure.Identity;
+using RT.Domain.Identity;
 using Scalar.AspNetCore;
 
 var builder = WebApplication.CreateBuilder(args);