chore: add scripts for fixing lint (#868)

Author: snitin315

package.json

@@ -20,6 +20,9 @@
     "lint:prettier": "prettier \"{**/*,*}.{js,json,md,yml,css}\" --list-different",
     "lint:js": "eslint --cache src test",
     "lint": "npm-run-all -l -p \"lint:**\"",
+    "fix:prettier": "npm run lint:prettier -- --write",
+    "fix:js": "npm run lint:js -- --fix",
+    "fix": "npm-run-all fix:js fix:prettier",
     "prepare": "husky install && npm run build",
     "build": "del dist && babel src -d dist --copy-files",
     "release": "standard-version",