subheader-outline-rounded

pnpm dlx shadcn@latest add https://opensourceicon.com/r/material-symbols-light/subheader-outline-rounded.json

<svg xmlns="http://www.w3.org/2000/svg" width="96" height="96" viewBox="0 0 24 24"><path fill="currentColor" d="M5.616 20q-.691 0-1.153-.462T4 18.384V5.616q0-.691.463-1.153T5.616 4h12.769q.69 0 1.153.463T20 5.616v12.769q0 .69-.462 1.153T18.384 20zm0-1h12.769q.23 0 .423-.192t.192-.424V5.616q0-.231-.192-.424T18.384 5H5.616q-.231 0-.424.192T5 5.616v12.769q0 .23.192.423t.423.192M5 5v14zm2.616 4.192h6q.413 0 .706-.293q.294-.293.294-.707t-.294-.706q-.293-.294-.706-.294h-6q-.414 0-.707.294t-.293.706t.293.707t.707.293"/></svg>