feat: Add a timestamp for when a notification is read

src/fellchensammlung/migrations/0036_basenotification_read_at.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.1.4 on 2025-01-14 06:28
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('fellchensammlung', '0035_alter_image_alt_text_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='basenotification',
+            name='read_at',
+            field=models.DateTimeField(blank=True, null=True, verbose_name='Gelesen am'),
+        ),
+    ]