Examine source code of AutoMail Extractor

{
  "manifest_version": 2,
  "name": "AutoMail Extractor",
  "description": "A privacy-focused browser extension that helps you extract and organize contact information from web pages. All data is stored locally on your device.",
  "version": "1.1",
  "browser_action": {
    "default_popup": "index.html",
    "default_icon": {
      "16": "assets/icon16.png",
      "48": "assets/icon48.png",
      "128": "assets/icon128.png"
    }
  },
  "permissions": [
    "activeTab",
    "tabs",
    "storage",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "assets/browser-polyfill.js",
      "assets/background.js"
    ],
    "persistent": false
  },
  "icons": {
    "16": "assets/icon16.png",
    "48": "assets/icon48.png",
    "128": "assets/icon128.png"
  },
  "content_security_policy": "script-src 'self'; object-src 'self';",
  "browser_specific_settings": {
    "gecko": {
      "id": "contact-extractor@lovable.dev"
    }
  }
}