data.json

{
  "users": {
    "demo": {
      "password": "demo123",
      "expenses": [],
      "receipts": [],
      "savings": 0,
      "monthly_budget": 0,
      "goals": [],
      "currency": "USD",
      "medal_thresholds": {
        "bronze": 500,
        "silver": 1000,
        "gold": 2000
      },
      "reminders": []
    }
  },
  "current_user": "demo"
}