add migration

src/pretix/base/migrations/0093_auto_20180531_1739.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.13 on 2018-05-31 15:39
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('pretixbase', '0092_auto_20180511_1224'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='question',
+            name='default_value',
+            field=models.TextField(blank=True, help_text='The question will be filled with this response by default', null=True, verbose_name='Default answer'),
+        ),
+    ]