Try running some of the following tasks:
npx hardhat help
npx hardhat test
REPORT_GAS=true npx hardhat test
# for test
npx hardhat run ./scripts/merkle.js
# deploy
npx hardhat node
npx hardhat run ./scripts/deploy.nft.js --network localhost
npx hardhat run ./scripts/deploy.escrow.js --network localhost
npx hardhat run ./scripts/deploy.vault.js --network localhost
npx hardhat run ./scripts/init.js --network localhost
npx hardhat run ./scripts/deploy.nft.js --network goerli
npx hardhat run ./scripts/deploy.escrow.js --network goerli
npx hardhat run ./scripts/deploy.vault.js --network goerli
npx hardhat run ./scripts/init.js --network goerli