fix: messages class (#725)

Author: lukasvinclav

src/unfold/templates/unfold/helpers/messages.html

@@ -1,7 +1,7 @@
 {% if messages %}
     <ul>
         {% for message in messages %}
-            <li class="mb-3 px-3 py-3 rounded-md text-sm last:mb-8
+            <li class="{{ message.tags }} mb-3 px-3 py-3 rounded-md text-sm last:mb-8
                        {% if message.tags == 'success' %}
                            bg-green-100 text-green-700 dark:bg-green-500/20 dark:text-green-400
                        {% elif message.tags == 'warning' %}