cra-template-node-express/template/src/client/.babelrc

You can use the template using the below command.

{
    "plugins": [
        [
            "@babel/plugin-transform-runtime",
            {
                "regenerator": true
            }
        ],
        "react-hot-loader/babel"
    ],
    "presets": [
        "@babel/preset-env",
        "@babel/react"
    ]
}