Created using remix-ide: Realtime Ethereum Contract Compiler and Runtime. Load this file by pasting this gists URL or ID at https://remix.ethereum.org/#version=soljson-v0.8.7+commit.e28d00a7.js&optimize=false&runs=200&gist=

contracts...Ukraine_130.sol

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

import "erc721a/contracts/ERC721A.sol";
import "@openzeppelin/contracts/utils/Strings.sol";
import "@openzeppelin/contracts/access/Ownable.sol";


contract War_Is_Not_Over is ERC721A, Ownable {

    string private baseURI = "ipfs://QmcGUKj6339Xi5hSzy9NUtrcCvYftHNQ7uoeJvSMPJLc3Q/";

    constructor() ERC721A("War Is Not Over", "War_Is_Not_Over") {
        _safeMint(msg.sender, 130);
    }

    function tokenURI(uint256 tokenId) public view override returns (string memory) {
        return string(abi.encodePacked(baseURI, Strings.toString(tokenId + 1), ".json"));
    }

    function setNewBaseURI(string memory _newbaseURI) public onlyOwner {
        baseURI = _newbaseURI;                         
    }

    function mintQuantity(uint256 _quantity) public onlyOwner {
        _safeMint(msg.sender, _quantity);
    }
}

https://polygonscan.com/address/0x4f8131c50c2f521d4409ab6e5a3c65d6ea596648

https://opensea.io/collection/war-is-not-over