adding rsd to dev deps

Author: Ben Taylor

package.json

@@ -21,7 +21,6 @@
   "dependencies": {
     "prop-types": "^15.6.0",
     "react": "^16.2.0",
-    "react-structured-data": "^0.0.8"
   },
   "devDependencies": {
     "autoprefixer": "7.1.6",
@@ -64,6 +63,7 @@
     "react": "^16.2.0",
     "react-dev-utils": "^4.2.1",
     "react-dom": "^16.2.0",
+    "react-structured-data": "^0.0.8"
     "sass-loader": "^6.0.6",
     "style-loader": "0.19.0",
     "sw-precache-webpack-plugin": "0.11.4",