app/assets/svgs/heroicons/outline/underline.svg
<svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" aria-hidden="true" data-slot="icon">
<path stroke-linecap="round" stroke-linejoin="round" d="M17.995 3.744v7.5a6 6 0 1 1-12 0v-7.5m-2.25 16.502h16.5"/>
</svg>