refactor: transfer logic

All logic related to token manipulation has been transferred to the AuthService. Also added TOTP 2FA and rethought the logic of logging into the application

Security/Common/Domain/User.cs

@@ -0,0 +1,18 @@
+namespace Mirea.Api.Security.Common.Domain;
+
+public enum SecondFactor
+{
+    None,
+    Totp
+}
+
+public class User
+{
+    public required int Id { get; set; }
+    public required string Username { get; set; }
+    public required string Email { get; set; }
+    public required string PasswordHash { get; set; }
+    public required string Salt { get; set; }
+    public required SecondFactor SecondFactor { get; set; }
+    public string? SecondFactorToken { get; set; }
+}