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

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  - https://github.com/make-github-pseudonymous-again/rejuvenate/blob/a44c42967442d65fd14272682fb84a6f32feb841/src/transforms/package.json:scripts-add-lint-config-and-fix.js
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Author: a-flying-potato

package.json

@@ -134,7 +134,8 @@
     "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": {