Add prop-types to package.json

Author: acrellin

package.json

@@ -13,6 +13,7 @@
     "exports-loader": "^0.6.4",
     "imports-loader": "^0.7.1",
     "jquery": "^3.1.1",
+    "prop-types": "^15.5.10",
     "react": "^15.1.0",
     "react-dom": "^15.1.0",
     "react-redux": "^5.0.3",