Add identity Domain

PSManagement.Domain/Identity/Aggregate/User.cs

+using PSManagement.SharedKernel.Aggregate;
+using PSManagement.SharedKernel.Entities;
+using System;
+
+namespace PSManagement.Domain.Identity.Aggregate
+{
+    public class User : IAggregateRoot
+    {
+        public string Email { get; set; }
+        public string LastName { get; set; }
+        public string FirstName { get; set; }
+        public string HashedPassword { get; set; }
+
+    }
+}
\ No newline at end of file

PSManagement.Domain/Identity/DomainErrors/AlreadyExistError.cs

+using FluentResults;
+using PSManagement.SharedKernel.DomainErrors;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PSManagement.Domain.Identity.DomainErrors
+{
+    public class AlreadyExistError : IDomainError
+    {
+        public List<IError> Reasons => new(new[] { new Error("The User Email Already Exist.") });
+
+        public string Message => "The Email Is Already Exist.";
+
+        public Dictionary<string, object> Metadata => new();
+    }
+}

PSManagement.Domain/Identity/DomainErrors/InvalidLoginDataError.cs

+using FluentResults;
+using PSManagement.SharedKernel.DomainErrors;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PSManagement.Domain.Identity.DomainErrors
+{
+    public class InvalidLoginDataError : IDomainError
+    {
+        public List<IError> Reasons => new(new[] { new Error("The User Email Or  Password Wrong.") });
+
+        public string Message => "Invalid Login Attempt.";
+
+        public Dictionary<string, object> Metadata => new();
+    }
+}

PSManagement.Domain/Identity/DomainEvents/UserCreatedEvent.cs

+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PSManagement.Domain.Identity.DomainEvents
+{
+    public class UserCreatedEvent
+    {
+    }
+}

PSManagement.Domain/Identity/Repositories/IUsersRepository.cs

+using PSManagement.Domain.Identity.Aggregate;
+using PSManagement.SharedKernel.Interfaces;
+using PSManagement.SharedKernel.Repositories;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PSManagement.Domain.Identity.Repositories
+{
+    public interface IUsersRepository : IRepository<User>
+    {
+        public Task<User> GetByEmail(string email, ISpecification<User> specification = null);
+    }
+}