Examine source code of PayScope

{
  "manifest_version": 3,
  "name": "PayScope",
  "version": "1.0",
  "description": "Calculate true transaction costs including platform fees and taxes.",
  "permissions": [],
  "host_permissions": [
    "https://gist.githubusercontent.com/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "payscope@zakariya.dev",
      "strict_min_version": "120.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  },
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "icons": {
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  }
}