Add missing react devdependency

Author: Aljullu

package.json

@@ -21,6 +21,7 @@
     "eslint-plugin-react": "^7.7.0",
     "jest": "^22.4.0",
     "path": "^0.12.7",
+    "react": "^16.2.0",
     "react-dom": "^16.2.0",
     "webpack": "^3.11.0"
   },