underline

pnpm dlx shadcn@latest add https://opensourceicon.com/r/mono-icons/underline.json

<svg xmlns="http://www.w3.org/2000/svg" width="96" height="96" viewBox="0 0 24 24"><path fill="currentColor" d="M18 4a1 1 0 1 0-2 0v7a4 4 0 0 1-8 0V4a1 1 0 1 0-2 0v7a6 6 0 0 0 12 0zM7 19a1 1 0 1 0 0 2h10a1 1 0 1 0 0-2z"/></svg>