Examine source code of Threat Intel Lingo

{
  "manifest_version": 3,
  "name": "Threat Intel Lingo",
  "version": "1.0.0",
  "description": "Master the terminology of Cyber Threat Intelligence, APT groups, MITRE ATT&CK, and adversary behavior.",
  "icons": {
    "48": "threat_intel_icon.png"
  },
  "action": {
    "default_popup": "index.html",
    "default_title": "Intel Lingo"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{14908243-e55f-4ef0-9836-c3acc69b51da}",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}