Make the federated servers table display correctly on mobile

bookwyrm/templates/settings/federation/instance_list.html

@@ -28,6 +28,7 @@
     </ul>
 </div>
 
+<div class="table-container scroll-x">
     <table class="table is-striped is-fullwidth">
         <tr>
             {% url 'settings-federation' as url %}
@@ -69,6 +70,7 @@
         <tr><td colspan="5"><em>{% trans "No instances found" %}</em></td></tr>
         {% endif %}
     </table>
+</div>
 
 
 {% include 'snippets/pagination.html' with page=servers path=request.path %}