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.Application/MappingProfiles/GroupMappingProfile.cs

@@ -6,6 +6,7 @@ namespace DigitalData.UserManager.Application.MappingProfiles
 {
     public class GroupMappingProfile : Profile
     {
+        [Obsolete("Use DigitalData.Core.Exceptions and .Middleware")]
         public GroupMappingProfile()
         {
             CreateMap<Group, GroupCreateDto>();