Examine source code of Edition Smart Marker

{
  "manifest_version": 3,
  "name": "Edition Smart Marker",
  "version": "0.0.1",
  "description": "Markiert bestimmte Elemente auf der Website derStandard.at.",
  "browser_specific_settings": {
    "gecko": {
      "id": "edition-smart-marker@domain314.dev",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.derstandard.at/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "styles.css"
      ],
      "run_at": "document_idle"
    }
  ]
}