add migration file

evennia/typeclasses/migrations/0013_auto_20191015_1922.py

@@ -0,0 +1,18 @@
+# Generated by Django 2.2.6 on 2019-10-15 19:22
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('typeclasses', '0012_attrs_to_picklev4_may_be_slow'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='tag',
+            name='db_tagtype',
+            field=models.CharField(blank=True, db_index=True, help_text='overall type of Tag', max_length=16, null=True, verbose_name='tagtype'),
+        ),
+    ]