Examine source code of Synonym Match

{
  "manifest_version": 2,
  "name": "Synonym Match",
  "version": "1.0",
  "description": "A delightful browser extension that tests your English vocabulary by challenging you to match words with their synonyms. Perfect for language learners and word enthusiasts.",
  "icons": {
    "48": "synonym_icon.png"
  },
  "browser_action": {
    "default_popup": "index.html",
    "default_title": "Synonym Match"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{0e4530fe-1033-4d89-b057-2f3095a28208}"
    }
  }
}