Examine source code of AI Text Summarizer Pro

{
  "manifest_version": 2,
  "name": "AI Text Summarizer Pro",
  "version": "2.0.1",
  "description": "Instantly summarize any text on the web with AI. Highlight text and get smart summaries using your Gemini API key.",
  "icons": {
    "16": "icon.png",
    "32": "icon.png",
    "48": "icon.png",
    "96": "icon.png",
    "128": "icon.png"
  },
  "permissions": [
    "storage",
    "activeTab",
    "tabs",
    "http://*/*",
    "https://*/*"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "AI Summarizer Pro"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "content.css"
      ],
      "run_at": "document_end",
      "all_frames": false
    }
  ],
  "web_accessible_resources": [
    "icon.png"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "ai-summarizer-pro@extension.local",
      "strict_min_version": "58.0"
    }
  }
}