Please add Alipay and WeChat online payment gateway

Add Alipay payment gateway in China Alipay and WeChat Pay account for arou 90% of the market share in China. 1,alipay ：https://open.alipay.com/api/detail?code=I1080300001000041203 https://open.alipay.com/api/detail?code=I1080300001000041949 WeChat：https://pay.weixin.qq.com/static/applymentguide/applymentdetail_website.shtml