heading-h4

pnpm dlx shadcn@latest add https://opensourceicon.com/r/ci/heading-h4.json

<svg xmlns="http://www.w3.org/2000/svg" width="96" height="96" viewBox="0 0 24 24"><path fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="m18 9l-2.5 8H20m0 0h1m-1 0v-3m0 3v2M3 5v7m0 0v7m0-7h8m0-7v7m0 0v7"/></svg>