app/assets/svgs/heroicons/mini/plus-small.svg
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20" fill="currentColor" aria-hidden="true" data-slot="icon">
<path d="M10.75 6.75a.75.75 0 0 0-1.5 0v2.5h-2.5a.75.75 0 0 0 0 1.5h2.5v2.5a.75.75 0 0 0 1.5 0v-2.5h2.5a.75.75 0 0 0 0-1.5h-2.5v-2.5Z"/>
</svg>