Examine source code of All Mangas Reader

{
  "name": "All Mangas Reader",
  "description": "__MSG_description__",
  "author": "",
  "version": "3.0.6",
  "manifest_version": 3,
  "default_locale": "en",
  "icons": {
    "48": "icons/icon_48.png",
    "96": "icons/icon_96.png",
    "128": "icons/icon_128.png"
  },
  "action": {
    "default_title": "All Mangas Reader",
    "default_popup": "pages/popup/popup.html"
  },
  "options_ui": {
    "page": "pages/options/options.html"
  },
  "background": {
    "scripts": [
      "background-worker.js"
    ],
    "type": "module"
  },
  "permissions": [
    "tabs",
    "declarativeNetRequest",
    "declarativeNetRequestWithHostAccess",
    "declarativeNetRequestFeedback",
    "unlimitedStorage",
    "storage",
    "alarms",
    "contextMenus",
    "notifications",
    "scripting",
    "downloads",
    "cookies",
    "webNavigation",
    "webRequest"
  ],
  "host_permissions": [
    "https://*/*",
    "http://*/*"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "icons/icon_32.png",
        "icons/icon_128.png",
        "icons/down.png",
        "icons/bookmark.png",
        "icons/read_stop.png",
        "icons/lefttoright.png",
        "icons/stop.gif",
        "icons/loading.gif",
        "icons/cancel.png",
        "icons/ontop.png",
        "icons/righttoleft.png",
        "icons/load16.gif",
        "icons/add.png",
        "icons/bookmarkred.png",
        "icons/warn.png",
        "icons/read_play.png",
        "icons/amrlittle.png",
        "icons/dev.png",
        "icons/ltload.gif",
        "icons/imgerror.png",
        "icons/load10.gif",
        "icons/find.png",
        "reader/pre-loader.css",
        "reader/init-reading.js"
      ],
      "matches": [
        "<all_urls>"
      ],
      "extension_ids": []
    }
  ],
  "homepage_url": "https://amr-releases.com",
  "browser_specific_settings": {
    "gecko": {
      "id": "stable@allmangasreader.com"
    }
  }
}