added file migration

core/migrations/0008_auto_20220621_2253.py

@@ -0,0 +1,28 @@
+# Generated by Django 3.2.6 on 2022-06-21 22:53
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0007_invoice_finish_date'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='billingproject',
+            name='email_notification',
+            field=models.EmailField(blank=True, max_length=256, null=True),
+        ),
+        migrations.AlterField(
+            model_name='flavorprice',
+            name='flavor_id',
+            field=models.CharField(max_length=256, unique=True),
+        ),
+        migrations.AlterField(
+            model_name='volumeprice',
+            name='volume_type_id',
+            field=models.CharField(max_length=256, unique=True),
+        ),
+    ]