Examine source code of Archive Downloader

{
  "manifest_version": 3,
  "name": "Archive Downloader",
  "description": "This extension helps you to download multiple files from archive.org collections",
  "version": "1.0.2",
  "permissions": [
    "activeTab",
    "downloads",
    "storage"
  ],
  "host_permissions": [
    "https://archive.org/*"
  ],
  "action": {
    "default_icon": {
      "16": "images/icon16.png",
      "24": "images/icon24.png",
      "48": "images/icon48.png",
      "64": "images/icon64.png",
      "128": "images/icon128.png"
    },
    "default_popup": "popup.html",
    "default_title": "To enable this extension, please go to archive.org and find single collection page"
  },
  "icons": {
    "16": "images/icon16.png",
    "24": "images/icon24.png",
    "48": "images/icon48.png",
    "64": "images/icon64.png",
    "128": "images/icon128.png"
  },
  "background": {
    "service_worker": "background.js",
    "scripts": [
      "background.js"
    ]
  },
  "author": "AllLiveWorkshop",
  "homepage_url": "https://github.com/AllLiveSupport/Archive-Downloader-Extension",
  "browser_specific_settings": {
    "gecko": {
      "id": "{95e6d013-1f16-43f6-932c-29a3a9366e66}",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}