Update README.md

Add new Payment Package AUthorize.NET for Recurring Billing

Author: Vlad Lesovskiy

README.md

@@ -107,6 +107,7 @@ Gateway | 2.x | 3.x | Composer Package | Maintainer
 [Allied Wallet](https://github.com/delatbabel/omnipay-alliedwallet) | ✓ | - | delatbabel/omnipay-alliedwallet | [Del](https://github.com/delatbabel)
 [Authorize.Net](https://github.com/thephpleague/omnipay-authorizenet) | ✓ | ✓ | omnipay/authorizenet | [Jason Judge](https://github.com/judgej)
 [Authorize.Net API](https://github.com/academe/omnipay-authorizenetapi) | - | ✓ | academe/omnipay-authorizenetapi | [Jason Judge](https://github.com/judgej)
+[Authorize.Net Recurring Billing](https://github.com/cimpleo/omnipay-authorizenetrecurring) | - | ✓ | cimpleo/omnipay-authorizenetrecurring | [CimpleO](https://github.com/cimpleo)
 [Barclays ePDQ](https://github.com/digitickets/omnipay-barclays-epdq) | ✓ | - | digitickets/omnipay-barclays-epdq | [DigiTickets](https://github.com/digitickets)
 [Beanstream](https://github.com/lemonstand/omnipay-beanstream) | ✓ | - | lemonstand/omnipay-beanstream | [LemonStand](https://github.com/lemonstand)
 [BitPay](https://github.com/hiqdev/omnipay-bitpay) | ✓ | - | hiqdev/omnipay-bitpay | [HiQDev](https://github.com/hiqdev)