Examine source code of Cosmic Explorer Riddle

{
  "manifest_version": 2,
  "name": "Cosmic Explorer Riddle",
  "version": "1.0",
  "description": "Embark on a stellar journey! Solve Vietnamese riddles about planets, stars, and cosmic phenomena by guessing their correct English names. Perfect for space enthusiasts and language learners alike.",
  "icons": {
    "48": "space_icon.png"
  },
  "browser_action": {
    "default_popup": "index.html",
    "default_title": "Cosmic Explorer Riddle"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{fd1e8c13-df75-44bf-a08d-0657de270b1e}",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}