public async Task <IActionResult> New([FromForm] TransactionForm TransactionForm, string BudgetId, string CategoryId)
        {
            var modifiedBudget = await _transactionProcessor.AddTransaction(TransactionForm, BudgetId, CategoryId);

            if (modifiedBudget == null)
            {
                return(NotFound());
            }
            return(Ok(modifiedBudget));
        }