fix(package): update pretty-quick to version 2.0.1

Closes #30

Author: greenkeeper[bot]

package.json

@@ -36,7 +36,7 @@
     "morgan": "~1.9.0",
     "mysql2": "^1.6.1",
     "prettier": "^1.14.2",
-    "pretty-quick": "^1.6.0",
+    "pretty-quick": "^2.0.1",
     "sequelize": "^4.38.0",
     "superagent": "3.8.3",
     "supertest": "3.1.0"