Add user deletion in deleteAllUserData method to remove user account along with associated data

src/services/authService.js

@@ -98,6 +98,7 @@ class AuthService {
       await Note.destroy({ where: { userId }, transaction });
       await Category.destroy({ where: { userId }, transaction });
       await RefreshToken.destroy({ where: { userId }, transaction });
+      await User.destroy({ where: { id: userId }, transaction });
 
       return {
         message: 'Datos del usuario eliminados correctamente; se eliminaron todos los tokens.'