public async Task <User> CreateAsync(User user)
{
var dateTime = DateTime.UtcNow;
user.last_login = dateTime;
user.created_at = dateTime;
user.access_token = _tokenService.GenerateToken(user.email);
user.password = _hashService.EncryptPassword(user.password);
await _repo.InsertOneAsync(user);
return(user);
}