Add react and react-dom as peer dependencies

Fixes errors using Yarn 2 (berry).

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

Author: brandonbloom

package.json

@@ -40,8 +40,8 @@
     "now-build": "npm run build"
   },
   "peerDependencies": {
-    "react": "*",
-    "react-dom": "*"
+    "react": "^16.8.0",
+    "react-dom": "^16.8.0"
   },
   "devDependencies": {
     "@types/jest": "^26.0.5",