Examine source code of Summarize it

{
  "manifest_version": 2,
  "name": "Summarize It",
  "version": "2.1.0",
  "description": "Summarize any webpage using AI",
  "browser_specific_settings": {
    "gecko": {
      "id": "page-summarizer@augmentcode.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "activeTab",
    "tabs",
    "storage",
    "https://*/*",
    "http://*/*",
    "file:///*",
    "<all_urls>"
  ],
  "browser_action": {
    "default_title": "Open Summarize It",
    "default_icon": {
      "16": "icons/logo16.png",
      "32": "icons/logo32.png",
      "48": "icons/logo48.png",
      "128": "icons/logo128.png"
    }
  },
  "sidebar_action": {
    "default_title": "Summarize It",
    "default_panel": "sidepanel.html",
    "open_at_install": false,
    "default_icon": {
      "16": "icons/logo16.png",
      "32": "icons/logo32.png",
      "48": "icons/logo48.png",
      "128": "icons/logo128.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "icons": {
    "16": "icons/logo16.png",
    "32": "icons/logo32.png",
    "48": "icons/logo48.png",
    "128": "icons/logo128.png"
  },
  "options_page": "options.html"
}