Examine source code of Mock Forge

{
  "manifest_version": 2,
  "name": "Mock Forge",
  "version": "1.3.0.5",
  "description": "Forge mock data for testing and demos: random names, emails, usernames, phone numbers, UUIDs, IP and MAC addresses, dates, hex colors, integers and lorem text, in batches you can copy. Runs locally.",
  "icons": {
    "32": "images/icon-32.png",
    "48": "images/icon-48.png",
    "64": "images/icon-64.png",
    "96": "images/icon-96.png",
    "128": "images/icon-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{e91b3ded-1e8d-417f-8d68-8d0a030f799b}",
      "strict_min_version": "101.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "storage"
  ],
  "browser_action": {
    "default_title": "Mock Forge",
    "default_popup": "app/popup.html",
    "default_icon": {
      "32": "images/icon-32.png",
      "48": "images/icon-48.png",
      "64": "images/icon-64.png"
    }
  }
}