Examine source code of SABook

{
  "manifest_version": 2,
  "name": "SABook",
  "author": "S.A.",
  "homepage_url": "https://github.com/Joephia/SABook/",
  "description": "在线小说阅读助手",
  "version": "2.0.7",
  "icons": {
    "16": "icons/wx-16.png",
    "32": "icons/wx-32.png",
    "48": "icons/wx-48.png",
    "64": "icons/wx-64.png"
  },
  "permissions": [
    "activeTab",
    "tabs"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "jquery/jquery-3.5.0.min.js",
        "content/content.js"
      ],
      "css": [
        "content/sabook.css"
      ],
      "run_at": "document_start"
    }
  ],
  "background": {
    "scripts": [
      "background/background.js"
    ]
  },
  "browser_action": {
    "browser_style": true,
    "default_icon": {
      "16": "icons/wx-16.png",
      "32": "icons/wx-32.png"
    },
    "default_title": "SABook Options",
    "default_popup": "popup/popup.html"
  }
}