npm install grunt-concurrentyarn add grunt-concurrentpnpm add grunt-concurrent<script src="https://fastly.jsdelivr.net/npm/grunt-concurrent"></script><script src="https://unpkg.com/grunt-concurrent"></script><script type="module">
import gruntconcurrent from 'https://cdn.jsdelivr.net/npm/grunt-concurrent/+esm';
</script><script type="module">
import gruntconcurrent from 'https://cdn.skypack.dev/grunt-concurrent';
</script>