app/assets/svgs/heroicons/solid/folder-add.svg
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20" fill="currentColor" aria-hidden="true">
<path fill-rule="evenodd" d="M4 4a2 2 0 00-2 2v8a2 2 0 002 2h12a2 2 0 002-2V8a2 2 0 00-2-2h-5L9 4H4zm7 5a1 1 0 10-2 0v1H8a1 1 0 100 2h1v1a1 1 0 102 0v-1h1a1 1 0 100-2h-1V9z"/>
</svg>