NLS Supply Service

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

Current data: total=923283526, reserves(unvested)=31884176, circulating=891399350

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).