Added notifications, image preview generator

templates/admin/schedule_edit.html

@@ -114,7 +114,7 @@
                 <div class="visit-media-item">
                     {% if m.file_type == "photo" %}
                         <a href="/admin/uploads/{{ m.id.unwrap() }}" data-lightbox="photo">
-                            <img src="/admin/uploads/{{ m.id.unwrap() }}" alt="" loading="lazy">
+                            <img src="/admin/uploads/{{ m.id.unwrap() }}/thumbnail" alt="" loading="lazy">
                         </a>
                     {% else %}
                         <a href="/admin/uploads/{{ m.id.unwrap() }}" data-lightbox="video">