Deprecate services and update mapping profiles

- Added obsolete attributes to `AuthController`, `ModuleController`, and various mapping profiles, recommending the use of MediatR and DigitalData.Core.Exceptions.
- Updated `User` class to use `required` keyword for `DateFormat` in .NET 7.0 or greater.
- Marked methods in `Extensions` and `AddUserManagerInfrastructure` as obsolete, suggesting the use of IRepository.
- Adjusted import statements in `DependencyInjection.cs` and marked `GroupOfUserRepository` and `ModuleRepository` as obsolete, recommending a Repository pattern.

DigitalData.UserManager.DependencyInjection/Extensions.cs

@@ -8,6 +8,7 @@ namespace DigitalData.UserManager.DependencyInjection;
 
 public static class Extensions
 {
+    [Obsolete("Use IRepository")]
     public static IServiceCollection AddUserManager<TDbContext>(this IServiceCollection services) 
         where TDbContext : DbContext, IUserManagerDbContext
     {
@@ -16,10 +17,11 @@ public static class Extensions
         return services;
     }
 
+    [Obsolete("Use MediatR")]
     public static IServiceCollection AddUserManager(this IServiceCollection services, Action<DbContextOptionsBuilder> optionsAction)
     {
         services.AddUserManagerInfrastructure(optionsAction);
         services.AddUserManagerApplication();
         return services;
     }
-}
+}