[Feature] 微信公众号消息回调增加bizmsgmenuid

[okhowang]

你想要实现的模块或API 参见https://developers.weixin.qq.com/doc/offiaccount/Message_Management/Service_Center_messages.html#%E5%AE%A2%E6%9C%8D%E6%8E%A5%E5%8F%A3-%E5%8F%91%E6%B6%88%E6%81%AF

<xml>
<ToUserName><![CDATA[ToUser]]></ToUserName>
<FromUserName><![CDATA[FromUser]]></FromUserName>
<CreateTime>1500000000</CreateTime>
<MsgType><![CDATA[text]]></MsgType>
<Content><![CDATA[满意]]></Content>
<MsgId>1234567890123456</MsgId>
<bizmsgmenuid>101</bizmsgmenuid>
</xml>