Merge pull request #150 from brandonbloom/react-peer-dependencies

Add react and react-dom as peer dependencies

Author: yoyo837

package.json

@@ -41,7 +41,8 @@
     "now-build": "npm run build"
   },
   "peerDependencies": {
-    "react": "*"
+    "react": ">=16.9.0",
+    "react-dom": ">=16.9.0"
   },
   "devDependencies": {
     "@types/classnames": "^2.2.9",