NFT

• Creating a simple NFT contract and deploying to Sepolia testnet.
• Mint an NFT

1. npm install
2. Create .env file and define PRIVATE_KEY string.
   • Sepolia testnet ETH required to deploy contract -> Faucet
   • ** Be careful whenever using your private key (generate a new wallet!)
3. npx hardhat run scripts/deploy.js --network sepolia
4. Take created contract address and save in ADDR in .env
5. Call mintNFT() contract function using node scripts/mint