To make use of the NFT smart contract, simply copy the SimpleNft_flat.sol file in the contract folder and deploy it on remix after changing the parameters.

hardhat环境智能合约后端模板 From：https://github.com/smartcontractkit/hardhat-starter-kit

web3应用全栈开发模板 from：https://github.com/scaffold-eth/scaffold-eth#-scaffold-eth