Add Anxin Insurance to powered-by.md (#1640)

* Update powered-by.md

docs/powered-by.md

@@ -5,6 +5,7 @@ or providing commercial products including Apache SkyWalking.
 
 - 300.cn 中企动力科技股份有限公司 http://www.300.cn/
 - 4499.com 四三九九网络股份有限公司. http://www.4399.com/
+- Anxin Insurance. 安心财产保险有限责任公司 https://www.95303.com
 - AsiaInfo Inc. http://www.asiainfo.com.cn/
 - Autohome. 汽车之家. http://www.autohome.com.cn
 - Baixing.com 百姓网 http://www.baixing.com/
@@ -41,4 +42,3 @@ or providing commercial products including Apache SkyWalking.
 - Weier. 广州文尔软件科技有限公司. https://www.site0.cn
 - Xiaomi. 小米. https://www.mi.com/en/
 - Yinji(shenzhen)Network Technology Co.,Ltd. 印记. http://www.yinjiyun.cn/
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