🤖 chore(package.json): Add lint-config-and-fix script.

These changes were automatically generated by a transform whose code can be found at:
  - https://github.com/make-github-pseudonymous-again/rejuvenate/blob/457d6d9bfb7d08d917f0c3a95108832fc88fe176/src/transforms/package.json:scripts-add-lint-config-and-fix.js
Please contact the author of the transform if you believe there was an error.

package.json

@@ -129,7 +129,8 @@
     "prepare": "npm run build",
     "release": "np",
     "test": "ava",
-    "travis": "npm run lint && npm run cover"
+    "travis": "npm run lint && npm run cover",
+    "lint-config-and-fix": "fixpack || fixpack"
   },
   "sideEffects": false,
   "xo": {