Examine source code of Cryptid Hunter Quiz

{
  "manifest_version": 2,
  "name": "Cryptid Hunter Quiz",
  "version": "1.0",
  "description": "Enter the shadows in English! This popup quiz gives a Vietnamese clue about a famous cryptid or urban legend.",
  "icons": {
    "48": "cryptid_icon.png"
  },
  "browser_action": {
    "default_popup": "index.html",
    "default_title": "Cryptid Hunter Quiz"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{c2b51700-eb68-4001-80d5-6b85093c5395}",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}