design refactor

lottery/templates/admin/botconfig_change_form.html

@@ -4,8 +4,8 @@
 {% block object-tools %}
   {{ block.super }}
   {% if original %}
-    <div class="container-fluid>
-      <a class="btn btn-danger"
+    <div class="container-fluid">
+      <a class="btn btn-danger d-block w-100 text-center my-2"
          href="{% url 'admin:botconfig-restart' original.pk %}">
         🔁 Перезапустить бота
       </a>