Merge pull request #64 from IliyanIlievPH/63

order bought vouchers by decending

src/MAVN.Service.SmartVouchers.MsSqlRepositories/Repositories/VouchersRepository.cs

@@ -164,6 +164,7 @@ public async Task<Voucher> GetByShortCodeAsync(string shortCode)
                 var query = context.Vouchers.Where(v => v.OwnerId == ownerId);
 
                 var result = await query
+                    .OrderByDescending(x => x.PurchaseDate)
                     .Skip(skip)
                     .Take(take)
                     .ToListAsync();