Deploying your contracts under a proxy can be useful in order to future-proof your smart contract functionality.
Deploying smart contracts that use the transparent proxy pattern in order to be upgradeable
You will be able to deploy a version 1 contract, add new functionality and then deploy a version 2 of that contract under the proxy, and so on..
Try running some of the following tasks:
npx hardhat help
npx hardhat test
npx hardhat node
npx hardhat run scripts/deployProxy.js