Examine source code of Quick Flashcard Creator

{
  "manifest_version": 2,
  "name": "Quick Flashcard Creator",
  "version": "1.0",
  "description": "Turn definitions or highlights into flashcards automatically.",
  "permissions": [
    "storage",
    "activeTab",
    "contextMenus"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "icon.png"
  },
  "icons": {
    "48": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{5f447b26-a982-41b8-981d-c7db5eb509bc}"
    }
  }
}