chore(package): update prettier to version 2.0.1

Closes #36

Author: greenkeeper[bot]

package.json

@@ -68,7 +68,7 @@
     "husky": "^1.1.2",
     "jest": "^23.6.0",
     "lint-staged": "^8.1.0",
-    "prettier": "^1.14.3",
+    "prettier": "^2.0.1",
     "semantic-release": "^15.10.5",
     "semantic-release-conventional-commits": "^2.0.1"
   },