Examine source code of Bulk Image Downlz

{
  "manifest_version": 2,
  "name": "Bulk Image Downloader",
  "version": "1.0",
  "description": "Quickly download all relevant images from their URLs — streamline your workflow for saving multiple images at once",
  "permissions": [
    "clipboardWrite"
  ],
  "icons": {
    "48": "icons/aro.ico"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.ondonnedesnouvelles.com/*"
      ],
      "js": [
        "arotofoddn.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{23a24879-bf5e-4e9a-87a8-0482e4cdccc1}"
    }
  }
}