System Events

Implement an event-based tracking system:
- EconomyTransactionEvent - When a transaction is made
- BalanceChangeEvent - When a player's balance changes
- PaymentEvent - Specific to /pay

Enhanced Commands

/baltop [page]
/eco stats →  Server statistics (total circulating money, number of transfers, number of payments)

Config.yml

add:
- baltop_refresh_seconds: 300
- currency_symbol: "$"
- currency_name: "Dollars"
- decimal_places: 2