Add lint script

Author: RichDom2185

package.json

@@ -10,6 +10,7 @@
   "scripts": {
     "eslint": "eslint index.js",
     "format": "eslint --fix index.js && prettier --write index.js",
+    "lint": "eslint --report-unused-disable-directives --max-warnings 0 index.js && prettier --check index.js",
     "start": "node index.js"
   },
   "packageManager": "[email protected]+sha1.ac34549e6aa8e7ead463a7407e1c7390f61a6610",