Create README.md

Author: m85091081

README.md

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+Introduction
+==
+![](https://img.shields.io/badge/py3Allpay-0.0.1-blue.svg) ![](https://img.shields.io/badge/python-3.3-yellow.svg) 
+This is an unofficial allPay(歐付寶) SDK implemented in Python3 . only main functions are implemented now.
+CheckOutString(), CheckOut(), CheckOutFeedback() has been implemented.
+In general, it could be used in all python3 webframework (like flask , bottle) ..etc  
+
+**[!!NOTE!!] allPay may updates their SDK constantly, if `pyallpay` doesn't work. Please file a issue.**
+
+### For Python 2, please refer to the [pyallpay](https://github.com/lockys/pyAllpay) by @ lockkys.
+
+Features:
+==
+Checkout a payment in ...
+- [x] ALL
+- [x] CVS
+- [x] ATM
+- [x] WebATM
+- [x] BarCode
+- [x] Credit card