NLS Supply Service

Available endpoints:
- /?type=circulating
- /?type=burned
- /?type=total
- /?type=max

Current data: total=917718326, reserves(unvested)=50192756, circulating=867525570

Reserve calculation: For each of the 36 ContinuousVestingAccount wallets,
locked = min(bank_balance, original_vesting × (end_time - now) / (end_time - start_time)).
Circulating = total_supply - sum(locked amounts).