Examine source code of Contextify

{
  "manifest_version": 2,
  "name": "Contextify",
  "description": "Summarize webpage content and ask questions based on context.",
  "version": "1.10",
  "permissions": [
    "menus",
    "activeTab",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "styles/chatbox.css"
      ]
    }
  ],
  "web_accessible_resources": [
    "pdfjs/pdf.worker.js"
  ],
  "icons": {
    "16": "icons/16.png",
    "48": "icons/48.png",
    "128": "icons/128.png"
  },
  "browser_action": {
    "default_title": "Contextify_box",
    "default_icon": {
      "16": "icons/16.png",
      "48": "icons/48.png",
      "128": "icons/128.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "contextify@example.com",
      "strict_min_version": "79.0"
    }
  }
}