category top-level property
Implementation
List category = [
{"name": "Groceries", "amount": 500.0},
{"name": "Online Shopping", "amount": 100.0},
{"name": "Eating Out", "amount": 80.0},
{"name": "Bills", "amount": 20.0},
{"name": "Subscriptions", "amount": 100.0},
{"name": "Fees", "amount": 10.0},
];