JBStored721Tier
Notes:
- 
member: price The price to buy an NFT in this tier, in terms of the currency in its
JBInitTiersConfig. - 
member: remainingSupply The remaining number of NFTs which can be minted from this tier.
 - 
member: initialSupply The total number of NFTs which can be minted from this tier.
 - 
member: votingUnits The number of votes that each NFT in this tier gets.
 - 
member: category The category that NFTs in this tier belongs to. Used to group NFT tiers.
 - 
member: discountPercent The discount that should be applied to the tier.
 - 
member: reserveFrequency The frequency at which an extra NFT is minted for the
reserveBeneficiaryfrom this tier. With areserveFrequencyof 5, an extra NFT will be minted for thereserveBeneficiaryfor every 5 NFTs purchased. - 
member: allowOwnerMint A boolean indicating whether the contract's owner can mint NFTs from this tier on-demand.
 - 
member: transfersPausable A boolean indicating whether transfers for NFTs in tier can be paused.
 - 
member: useVotingUnits A boolean indicating whether the
votingUnitsshould be used to calculate voting power. IfuseVotingUnitsis false, voting power is based on the tier's price. 
struct JBStored721Tier {
    uint104 price;
    uint32 remainingSupply;
    uint32 initialSupply;
    uint32 votingUnits;
    uint24 category;
    uint8 discountPercent;
    uint16 reserveFrequency;
    uint8 packedBools;
}