Merge pull request #821 from NickYadance/add-affiliation

add affiliation for yiwu

Author: lukaszgryglicki

developers_affiliations9.txt

@@ -19405,6 +19405,8 @@ yiweng-amz: yiweng-amz!users.noreply.github.com
 	Millennial until 2015-11-01
 	AOL from 2015-11-01 until 2016-05-01
 	Amazon from 2016-05-01
+yiwu: nickyadance!gmail.com
+	Shopee
 yiwu-arbug: yiwu!pingcap.com, yiwu-arbug!users.noreply.github.com
 	PingCAP
 yixiao360391: yixiao.chen!huawei.com