move react-scripts to dev dependency

Author: Dave Ferris

package.json

@@ -1,15 +1,14 @@
 {
   "name": "ui-design-system",
-  "version": "0.1.1",
+  "version": "0.1.2",
   "dependencies": {
     "bootstrap": "^4.3.1",
     "node-sass": "^4.13.1",
     "polished": "^3.4.2",
     "prop-types": "^15.7.2",
     "react": "^16.12.0",
     "react-bootstrap": "^1.0.0-beta.16",
-    "react-dom": "^16.12.0",
-    "react-scripts": "3.2.0"
+    "react-dom": "^16.12.0"
   },
   "scripts": {
     "start": "react-scripts start",
@@ -50,7 +49,8 @@
     "eslint-config-airbnb": "^18.0.1",
     "eslint-import-resolver-webpack": "^0.11.1",
     "eslint-plugin-babel": "^5.3.0",
-    "eslint-utils": "^1.4.3"
+    "eslint-utils": "^1.4.3",
+    "react-scripts": "3.2.0"
   },
   "description": "UI Storybook design system",
   "main": "dist/index.js",