Add JWT authentication with AuthController and services

backend/DTOs/AuthDtos.cs

@@ -0,0 +1,45 @@
+using System.ComponentModel.DataAnnotations;
+using RacePlannerApi.Models;
+
+namespace RacePlannerApi.DTOs;
+
+public class RegisterRequest
+{
+    [Required]
+    [EmailAddress]
+    public string Email { get; set; } = string.Empty;
+
+    [Required]
+    [MinLength(8)]
+    public string Password { get; set; } = string.Empty;
+
+    [Required]
+    [MinLength(2)]
+    public string Name { get; set; } = string.Empty;
+
+    public UserRole Role { get; set; } = UserRole.Participant;
+}
+
+public class LoginRequest
+{
+    [Required]
+    [EmailAddress]
+    public string Email { get; set; } = string.Empty;
+
+    [Required]
+    public string Password { get; set; } = string.Empty;
+}
+
+public class AuthResponse
+{
+    public string Token { get; set; } = string.Empty;
+    public UserDto User { get; set; } = null!;
+}
+
+public class UserDto
+{
+    public Guid Id { get; set; }
+    public string Email { get; set; } = string.Empty;
+    public string Name { get; set; } = string.Empty;
+    public string Role { get; set; } = string.Empty;
+}