chore(package): update prettier to version 2.0.5

Closes #31

Author: greenkeeper[bot]

package.json

@@ -88,7 +88,7 @@
     "husky": "^0.14.0",
     "lint-staged": "^7.0.0",
     "lodash.camelcase": "^4.3.0",
-    "prettier": "^1.4.4",
+    "prettier": "^2.0.5",
     "prompt": "^1.0.0",
     "replace-in-file": "^3.0.0-beta.2",
     "rimraf": "^2.6.1",