ERC-2981 compliant ERC-1155 smart contract

gistfile1.sol

// SPDX-License-Identifier: MIT
pragma solidity 0.8.17;

import "@openzeppelin/contracts/token/ERC1155/ERC1155.sol";
import "@openzeppelin/contracts/token/ERC1155/extensions/ERC1155Supply.sol";
import "@openzeppelin/contracts/access/Ownable.sol";

import "@openzeppelin/contracts/token/common/ERC2981.sol";

contract RoyaltyContract is ERC1155, ERC1155Supply, Ownable, ERC2981 {

    string public name;
    string public symbol;

    constructor(
        string memory initialUri, 
        uint96 feeNumerator,
        address receiver,
        string memory _name, 
        string memory _symbol
        ) ERC1155(initialUri) {
        _setDefaultRoyalty(receiver, feeNumerator);
        name = _name;
        symbol = _symbol;
    }

    function supportsInterface(bytes4 interfaceId) public view virtual override(ERC1155, ERC2981) returns (bool) {
        return super.supportsInterface(interfaceId);
    }

    function setURI(string memory newuri) 
        public
	onlyOwner  
    {
        _setURI(newuri);
    }

    function mint(uint256 amount, uint256 tokenId)
        external
        payable
    {
        require(amount > 0, "Must mint at least 1 NFT");
        
        _mint(msg.sender, tokenId, amount, "");
    }

    function mintBatch(address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data) external {
        _mintBatch(to, ids, amounts, data);
    }

    function _beforeTokenTransfer(
        address operator, 
        address from, 
        address to, 
        uint256[] memory ids, 
        uint256[] memory amounts, 
        bytes memory data
    )
        internal
        override(ERC1155, ERC1155Supply)
    {
        super._beforeTokenTransfer(operator, from, to, ids, amounts, data);
    }
}