Examine source code of Enigma Explorer

{
  "manifest_version": 3,
  "name": "Enigma Explorer",
  "version": "1.0",
  "description": "Challenge your mind with clever riddles, word puzzles, and intriguing trivia. Fresh daily brain training in a clean, modern popup.",
  "icons": {
    "48": "enigma_explorer_icon.png"
  },
  "action": {
    "default_popup": "index.html",
    "default_title": "Enigma Explorer"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{f5ed8b8a-fb6d-4649-ada5-f5316d8f7b02}",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}