providers/app_gw: separate host field into external_ and internal_

passbook/providers/app_gw/migrations/0004_auto_20200102_1505.py

@@ -0,0 +1,24 @@
+# Generated by Django 2.2.9 on 2020-01-02 15:05
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("passbook_providers_app_gw", "0003_applicationgatewayprovider"),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name="applicationgatewayprovider",
+            old_name="host",
+            new_name="external_host",
+        ),
+        migrations.AddField(
+            model_name="applicationgatewayprovider",
+            name="internal_host",
+            field=models.TextField(default=""),
+            preserve_default=False,
+        ),
+    ]