{
  "title": "SQL Learning Track",
  "steps": [
    {
      "id": 1,
      "title": "Introduction to SQL",
      "description": "Overview of the SQL track.",
      "doc": "SQL/INTRO.md"
    },
    {
      "id": 2,
      "title": "Indexes",
      "description": "Indexes overview.",
      "doc": "SQL/INDEXES.md"
    }
  ]
}