Update package.json

package.json

@@ -46,6 +46,7 @@
     "del": "^5.0.0",
     "eslint": "^5.16.0",
     "eslint-config-airbnb-base": "^13.1.0",
+     "eslint-config-prettier": "^6.0.0",
     "eslint-plugin-import": "^2.17.3",
     "glob": "^7.1.4",
     "inquirer": "^6.3.1",
@@ -63,10 +64,7 @@
     "rollup-plugin-replace": "^2.2.0",
     "rollup-plugin-svgo": "^1.0.2",
     "rollup-plugin-uglify": "^6.0.2",
-    "servor": "^2.2.1"
-  },
-  "devDependencies": {
-    "eslint-config-prettier": "^6.0.0",
+    "servor": "^2.2.1",
     "travis-size-report": "^1.1.0"
   }
 }