Jingdong alliance product chain transfer

# Method one ```javascript WXAPI.cpsJdGoodsShotUrl(token, skuId) ``` + token current user login credentials + skuId item number # Method 2 ```javascript WXAPI.cpsJdGoodsShotUrlSite({ token: '000' }) ``` + token current user login credentials + materialUrl JD product address + couponUrl Coupon collection address