fold-horizontal from coolicons in Line with regular corners. collapse, compress, squeeze, inward, minimize, merge, narrow. Other styles and corners: @coolicons/<style>/<radius>/fold-horizontal with line, duocolor, duotone, fill or bulk and sharp or round. Leave out regular, like @coolicons/fill/fold-horizontal, and use @coolicons/fold-horizontal for line with regular corners.
pnpm dlx shadcn@latest add "https://coolicons.cool/r/fold-horizontal.json"