Create a new workspace

{
  "success": true,
  "data": {
    "uuid": "550e8400-e29b-41d4-a716-446655440000",
    "name": "ACME Inc.",
    "url": "https://acme.com",
    "tracking_script_id": "123",
    "tracking_script_snippet": "<script>...</script>",
    "available_tags": [
      "marketing",
      "design"
    ]
  }
}