Add reverse charge flag to invoices

src/pretix/base/migrations/0101_auto_20181025_2255.py

@@ -0,0 +1,18 @@
+# Generated by Django 2.1 on 2018-10-25 22:55
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('pretixbase', '0100_auto_20181023_2300'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='invoice',
+            name='reverse_charge',
+            field=models.BooleanField(default=False),
+        ),
+    ]