Examine source code of Flashcard Generator V2

{
  "manifest_version": 2,
  "name": "Flashcard Generator V2",
  "version": "1.3",
  "description": "Generate and manage flashcards directly from webpages by highlighting text.",
  "permissions": [
    "activeTab",
    "storage",
    "contextMenus"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_title": "Flashcard Generator",
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{b8419108-d223-4f9c-9a9c-7d19aba2111a}"
    }
  }
}