Could not find suitable configuration file. about erc-1155 HOT 5 OPEN

mkdir tmp && cd tmp && truffle init

const HDWalletProvider = require('@truffle/hdwallet-provider');
const fs = require('fs');
const mnemonic = fs.readFileSync(".secret").toString().trim();

module.exports = {
    networks: {
        ropsten: {
            provider: () => new HDWalletProvider(mnemonic, `https://ropsten.infura.io/v3/YOUR-PROJECT-ID`),
            network_id: 3,       // Ropsten's id
            gas: 5500000,        // Ropsten has a lower block limit than mainnet
            confirmations: 2,    // # of confs to wait between deployments. (default: 0)
            timeoutBlocks: 200,  // # of blocks before a deployment times out  (minimum/default: 50)
            skipDryRun: true     // Skip dry run before migrations? (default: false for public nets )
        },
    },

    // Set default mocha options here, use special reporters etc.
    mocha: {
        // timeout: 100000
    },

    // Configure your compilers
    compilers: {
        solc: {
            version: "0.5.8",    // Fetch exact version from solc-bin (default: truffle's version)
            settings: {          // See the solidity docs for advice about optimization and evmVersion
                optimizer: {
                    enabled: false,
                    runs: 200
                }
            }
        }
    }
}

cd erc-1155
# nvm use 12 # we need NodeJS >= 12 for ES module support
npm install
npm install @truffle/hdwallet-provider
echo 'grunt venture follow rhythm gun myth topple man hollow armed clap shoved' > .secret
truffle migrate --network ropsten
truffle test --ropsten