public async Task <IActionResult> GetFeedbacks()
        {
            var repo      = new TableStorageRepository();
            var feedbacks = await repo.GetAllFeedbacks();

            var feedbacksToReturn = _mapper.Map <IEnumerable <FeedbackListDto> >(feedbacks);

            if (!feedbacksToReturn.Any())
            {
                return(null);
            }
            return(Ok(feedbacksToReturn));
        }