Examine source code of Daily Mail M+ Remover

{
  "manifest_version": 3,
  "name": "Daily Mail Paywall Remover",
  "version": "1.0",
  "description": "Removes all stories labelled is-paywalled on Daily Mail",
  "content_scripts": [
    {
      "matches": [
        "*://*.dailymail.co.uk/*",
        "*://*.dailymail.com/*",
        "*://*.mailonline.co.uk/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle",
      "all_frames": false
    }
  ],
  "icons": {
    "48": "icons/icon48.png",
    "96": "icons/icon96.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "dmplus-remover@local",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}