add oauth demo
add oauth demo

MarcoPai/wechat,nesta97432/wechat,JKshare/wechat,jsRuner/wechat,wxhuang/wechat,IceWilder/wechat,junjun16818/wechat,turingou/wechat,kmshi/wechat,15921050052/wechat,Jonekee/wechat,dut3062796s/wechat-1,gududefengzhong/wechat-4,boyouzhao/wechat,countdracular/wechat,beesui/wechat-iot,guo-yu/wechat,iamcc/wechat,adrianzhang/wechat,klbjlabs/wechat,boyouzhao/wechat,jiangbophd/wechat,flybird119/wechat,boyouzhao/wechat,coogleyou/wechat