Added missing migration from #90

ctfhub/migrations/0021_alter_team_avatar.py

@@ -0,0 +1,26 @@
+# Generated by Django 4.2.2 on 2023-07-04 16:06
+
+import ctfhub.validators
+import django.core.files.storage
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("ctfhub", "0020_alter_member_hedgedoc_password"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="team",
+            name="avatar",
+            field=models.ImageField(
+                blank=True,
+                storage=django.core.files.storage.FileSystemStorage(
+                    base_url="/uploads/", location="/code/uploads"
+                ),
+                upload_to="media/",
+                validators=[ctfhub.validators.challenge_file_max_size_validator],
+            ),
+        ),
+    ]