ERC20 GLD token

GLDToken.sol

pragma solidity ^0.8.0;
 
import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
 
contract GLDToken is ERC20, Ownable {
    constructor(uint256 initialSupply) ERC20("Gold", "GLD") {
        _mint(msg.sender, initialSupply);
    }
    function mint(address to, uint256 amount) public onlyOwner {
        _mint(to, amount);
    }
}