Examine source code of Word Puzzle Challenge

{
  "manifest_version": 2,
  "name": "Word Puzzle Challenge",
  "version": "1.0",
  "description": "A fun and educational game to improve your Vietnamese vocabulary by translating English words into Vietnamese. Perfect for language learners!",
  "icons": {
    "48": "word_puzzle_icon.png"
  },
  "browser_action": {
    "default_popup": "index.html",
    "default_title": "Word Puzzle Challenge"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{105f2132-1b16-4719-80b4-84bbe256f39d}"
    }
  }
}