Add project files.

TomatenMusic Api/Auth/Models/AuthenticateRequest.cs

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+namespace TomatenMusic_Api.Auth.Models;
+
+using System.ComponentModel.DataAnnotations;
+
+public class AuthenticateRequest
+{
+    [Required]
+    public string Username { get; set; }
+
+    [Required]
+    public string Password { get; set; }
+}

TomatenMusic Api/Auth/Models/AuthenticateResponse.cs

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+namespace TomatenMusic_Api.Auth.Models;
+
+using TomatenMusic_Api.Auth.Entities;
+
+public class AuthenticateResponse
+{
+    public int Id { get; set; }
+    public string FirstName { get; set; }
+    public string LastName { get; set; }
+    public string Username { get; set; }
+    public string Token { get; set; }
+
+
+    public AuthenticateResponse(User user, string token)
+    {
+        Id = user.Id;
+        FirstName = user.FirstName;
+        LastName = user.LastName;
+        Username = user.Username;
+        Token = token;
+    }
+}