Adding a build step using [`rollup`](https://github.com/rollup/rollup) allows us to use modern syntax for writing `customize-cra` and its modules. - [x] install and configure `rollup` - [x] install `@babel` plugins for modern syntax support - [x] update import/export syntax throughout the project
Adding a build step using
rollupallows us to use modern syntax for writingcustomize-craand its modules.rollup@babelplugins for modern syntax support