Examine source code of Flashcard Generator

{
  "manifest_version": 2,
  "name": "Flashcard Generator",
  "version": "1.0",
  "description": "Generate flashcards from saved vocabulary.",
  "icons": {
    "48": "icon.png"
  },
  "permissions": [
    "storage"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{cbba723d-30d1-405a-9cbe-9304653bf106}"
    }
  }
}