feat(webapp): add script to auto fix lint errors

www/webapp/package.json

@@ -5,7 +5,8 @@
   "scripts": {
     "serve": "vue-cli-service serve",
     "build": "vue-cli-service build",
-    "lint": "vue-cli-service lint --no-fix"
+    "lint": "vue-cli-service lint --no-fix",
+    "lint:fix": "vue-cli-service lint --fix"
   },
   "dependencies": {
     "@fontsource/roboto": "^4.5.8",