Add migration

apps/account/migrations/0018_user_old_id.py

@@ -0,0 +1,18 @@
+# Generated by Django 2.2.4 on 2019-10-29 08:21
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('account', '0017_merge_20191024_1233'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='user',
+            name='old_id',
+            field=models.IntegerField(blank=True, default=None, null=True),
+        ),
+    ]