Examine source code of Summarize with Gemini

{
  "manifest_version": 2,
  "name": "Summarize with Gemini",
  "version": "1.1.1",
  "description": "Browser extension that uses Gemini API to summarize text.",
  "permissions": [
    "contextMenus",
    "activeTab",
    "storage",
    "scripting",
    "notifications"
  ],
  "background": {
    "scripts": [
      "src/background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_popup": "src/popup/popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "icons": {
    "16": "icons/icon-16.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{810dd0a2-65d6-4dad-acf8-6af0d8a84c09}"
    }
  }
}