added 404.html file after build step to handle gh-pages routing issues (3)

Author: ecrum19

package.json

@@ -7,7 +7,6 @@
   "repository": "https://github.com/KNowledgeOnWebScale/solid-cockpit/tree/EDC_active",
   "author": "Elias Crum",
   "license": "MIT",
-  "type": "module",
   "scripts": {
     "dev": "vite",
     "build": "vite build",