NLS Supply Service

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

Current data: total=918067386, reserves(unvested)=50833359, circulating=867234027

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).