Simple-nft run frontend go to front-end directory npm install you should make .env file based on .env.template file npm run dev paste the generated link to your browser run backend-web2 go to backend-web2 directory npm install node server.js run backend-web3 go to backend-web3 directory npm install you should make .env file based on .env.template file npx hardhat compile npx hardhat run scripts/deploy.js --network sepolia