Examine source code of Start Page Plus

{
  "manifest_version": 2,
  "name": "Start Page Plus",
  "version": "0.0.8",
  "description": "Start Page Plus 是一款强大且灵活的浏览器插件，一键更换浏览器背景图片，全面提升你的浏览器首页功能。它不仅能让你拥有更加个性化和高效的浏览体验，还能轻松管理日常任务，代办事项，日常提醒，快捷收藏链接以及记录每天工作日报，每周周报等",
  "permissions": [
    "search",
    "bookmarks",
    "activeTab",
    "notifications",
    "https://startpage.ruixiang.top/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "icons": {
    "16": "/images/logo/16.png",
    "48": "/images/logo/48.png",
    "128": "/images/logo/128.png"
  },
  "browser_action": {
    "default_icon": "/images/logo/48.png"
  },
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "incognito": "spanning",
  "browser_specific_settings": {
    "gecko": {
      "id": "{9d44e69f-e45e-4ae6-acc8-801b36c8bf3a}"
    }
  }
}