MAINT: Add lint-fixing npm script

package.json

 {
   "name": "@indiscale/ckeditor5-complexitywiki-plugins",
   "version": "0.0.1",
-  "description": "A plugin for CKEditor 5.",
+  "description": "CaosDB's wiki plugins for CKEditor 5.",
   "keywords": [
     "ckeditor",
     "ckeditor5",
@@ -58,7 +58,8 @@
   "scripts": {
     "dll:build": "ckeditor5-package-tools dll:build",
     "dll:serve": "http-server ./ -o sample/dll.html",
-    "lint": "eslint \"**/*.js\" --quiet --ignore-pattern \"build/\"",
+      "lint": "eslint \"**/*.js\" --quiet --ignore-pattern \"build/\"",
+      "lint-fix": "eslint \"**/*.js\" --quiet --fix --ignore-pattern \"build/\"",
     "start": "ckeditor5-package-tools start",
     "stylelint": "stylelint --quiet --allow-empty-input 'theme/**/*.css'",
     "test": "ckeditor5-package-tools test",