Add Chzzk campaign and reward models, import command, and schemas

chzzk/migrations/0002_alter_chzzkcampaign_campaign_no.py

@@ -0,0 +1,20 @@
+# Generated by Django 6.0.3 on 2026-03-31 19:53
+
+from django.db import migrations
+from django.db import models
+
+
+class Migration(migrations.Migration):
+    """Alter campaign_no field in ChzzkCampaign to remove unique constraint."""
+
+    dependencies = [
+        ("chzzk", "0001_initial"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="chzzkcampaign",
+            name="campaign_no",
+            field=models.BigIntegerField(),
+        ),
+    ]