* An HTTP server that can perform URL rewriting and execute PHP 8 code (eg: nginx with php8-fpm,) and the following PHP extensions: pdo, openssl, gd, mbstring, redis.
You need Yarn (version 1, not version 2 - 2 may work, but I haven't tried it.) After that, whenever you change anything under `js/`, you need to run `yarn rollup --config`. Good luck!