chore: add icons to dependencies

Author: winjo

packages/alex/package.json

@@ -71,7 +71,8 @@
     "@alipay/alex-code-service": "0.9.3",
     "@alipay/alex-i18n": "0.9.3",
     "@alipay/alex-lsif-service": "0.9.3",
-    "antd": "^3.20.3"
+    "antd": "^3.20.3",
+    "@ant-design/icons": "~2.1.1"
   },
   "tnpm": {
     "mode": "yarn",