Examine source code of AI Email Generator

{
  "manifest_version": 3,
  "name": "AI Email Generator",
  "version": "1.0.0",
  "description": "Generate professional emails instantly using AI",
  "permissions": [
    "activeTab",
    "storage"
  ],
  "host_permissions": [
    "https://mailgenerator-latest.onrender.com/*"
  ],
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "action": {
    "default_popup": "popup.html",
    "default_title": "AI Email Generator",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "ai_email_generator@example.com",
      "strict_min_version": "109.0"
    }
  }
}