add media backend

app/event/migrations/0007_alter_event_options.py

@@ -0,0 +1,17 @@
+# Generated by Django 4.0.4 on 2022-04-22 17:11
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('event', '0006_event_media_caption'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='event',
+            options={'ordering': ('position', 'date')},
+        ),
+    ]