Add react and react-dom as peer dependencies (#163)

Fixes errors using Yarn 2 (berry).

See ant-design/ant-design#27339 for details.

Author: brandonbloom

package.json

@@ -83,5 +83,9 @@
   },
   "tnpm": {
     "mode": "npm"
+  },
+  "peerDependencies": {
+    "react": ">=16.9.0",
+    "react-dom": ">=16.9.0"
   }
 }