Examine source code of Knowt: Quizlet Import

{
  "name": "Knowt: Quizlet Import, AI Notes & Flashcards",
  "short_name": "Knowt",
  "description": "Automatically import flashcards and notes from any video, PDF, article, or flashcard site. Knowt is the fastest way to study.",
  "version": "2.0",
  "manifest_version": 3,
  "action": {
    "default_popup": "index.html",
    "default_title": "Knowt: Import and Study with AI"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "host_permissions": [],
  "permissions": [
    "activeTab",
    "scripting",
    "storage"
  ],
  "externally_connectable": {
    "matches": [
      "*://localhost/*",
      "*://*.knowt.io/*",
      "*://*.knowt.com/*"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "chromeextensions@knowt.com",
      "strict_min_version": "109.0"
    }
  },
  "icons": {
    "16": "icon16.png",
    "32": "icon32.png",
    "48": "icon48.png",
    "64": "icon64.png",
    "128": "icon128.png"
  }
}