chore(package): update prettier to version 2.0.1

Closes #10

Author: greenkeeper[bot]

package.json

@@ -33,7 +33,7 @@
     "eslint-plugin-prettier": "^3.1.0",
     "eslint-plugin-react": "^7.14.2",
     "eslint-plugin-react-hooks": "^1.6.1",
-    "prettier": "^1.18.2",
+    "prettier": "^2.0.1",
     "react": "^16.8.6",
     "react-dom": "^16.8.6",
     "webpack": "^4.31.0",