link-vertical from coolicons in Line with regular corners. chain, url, hyperlink, connect, attachment. Other styles and corners: @coolicons/<style>/<radius>/link-vertical with line, duocolor, duotone, fill or bulk and sharp or round. Leave out regular, like @coolicons/fill/link-vertical, and use @coolicons/link-vertical for line with regular corners.
pnpm dlx shadcn@latest add "https://coolicons.cool/r/link-vertical.json"