ghost/admin/public/assets/icons/brackets.svg
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24">
<title>brackets</title>
<path d="m7.629 4.5-6.44 6.439a1.5 1.5 0 0 0 0 2.121l6.44 6.44m8.742-15 6.44 6.439a1.5 1.5 0 0 1 0 2.121l-6.44 6.44" style="fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.5px"/>
</svg>