Add wifi sharing as a card, new settings for lan url, root and ssh

app/templates/usb-file-viewer.html

@@ -34,6 +34,11 @@
           {% endif %}
       </tr>
     {% endfor %}
+      {% if not render_files %}
+    <tr>
+        <td colspan="4"> <p class="butter-centered has-text-grey">Directory is empty</p></td>
+    </tr>
+      {% endif %}
 </tbody>
 </table>
  {% endblock %}