first commit

backend/apps/farms/migrations/0017_site_city_site.py

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+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("farms", "0016_cycle_close_request_channel"),
+        ("sync", "0002_citysite_registered_by"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="site",
+            name="city_site",
+            field=models.OneToOneField(
+                blank=True,
+                null=True,
+                on_delete=django.db.models.deletion.SET_NULL,
+                related_name="hq_site",
+                to="sync.citysite",
+            ),
+        ),
+    ]