bootstrap-icons/icons/file-code-fill.svg

<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-file-code-fill" viewBox="0 0 16 16">
  <path d="M12 0H4a2 2 0 0 0-2 2v12a2 2 0 0 0 2 2h8a2 2 0 0 0 2-2V2a2 2 0 0 0-2-2M6.646 5.646a.5.5 0 1 1 .708.708L5.707 8l1.647 1.646a.5.5 0 0 1-.708.708l-2-2a.5.5 0 0 1 0-.708zm2.708 0 2 2a.5.5 0 0 1 0 .708l-2 2a.5.5 0 0 1-.708-.708L10.293 8 8.646 6.354a.5.5 0 1 1 .708-.708"/>
</svg>