Examine source code of zipcomicDownloader comics downloader

{
  "manifest_version": 2,
  "name": "zipcomicDownloader",
  "version": "1.0.6",
  "description": "An extension to download comics from zipcomic.com",
  "icons": {
    "48": "icons/zipComicDownloader.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.zipcomic.com/*"
      ],
      "js": [
        "zipcomicDownloader.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "HavillandAndy@gmail.com"
    }
  },
  "permissions": [
    "downloads",
    "notifications",
    "nativeMessaging",
    "storage"
  ],
  "options_ui": {
    "page": "content/options.html",
    "open_in_tab": false
  },
  "background": {
    "scripts": [
      "background-script.js"
    ],
    "persistent": false,
    "type": "module"
  },
  "browser_action": {
    "default_title": "zipcomicDownloader"
  },
  "web_accessible_resources": [
    "images/hide.png",
    "images/show.png",
    "images/downloadstop.png"
  ]
}