Examine source code of Word Voyage

{
  "manifest_version": 2,
  "name": "Word Voyage",
  "version": "1.0",
  "description": "A fun game to practice English vocabulary by translating Vietnamese verbs into their English meanings. Perfect for learners aiming to improve their language skills!",
  "icons": {
    "48": "verb_icon.png"
  },
  "browser_action": {
    "default_popup": "index.html",
    "default_title": "Word Voyage"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{7d6b116a-3d99-494d-a875-931e2a6afb3a}"
    }
  }
}