Basic fixed supply ERC-20 that inherits from OpenZeppelin

FixedCreatorToken.sol

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/token/ERC20/ERC20.sol";

contract FixedCreatorToken is ERC20 {
  
  constructor(string memory name_, string memory symbol_, uint256 totalSupply_) ERC20(name_, symbol_) public {
    _mint(msg.sender, totalSupply_);
  }

}