fix(api): adds no-op migration that Django thinks is missing

api/desecapi/migrations/0002_unmanaged_donations.py

@@ -0,0 +1,20 @@
+# Generated by Django 3.1 on 2020-08-26 07:42
+
+# It appears that this migration is "unsquashable". If you squash it in 0001, Django will think it's missing and
+# generate it next time again.
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('desecapi', '0001_initial_squashed_again'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='donation',
+            options={'managed': False},
+        ),
+    ]