Makes registration user/localname fields more sensible

bookwyrm/migrations/0030_auto_20201224_1939.py

@@ -0,0 +1,19 @@
+# Generated by Django 3.0.7 on 2020-12-24 19:39
+
+import bookwyrm.models.fields
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('bookwyrm', '0029_auto_20201221_2014'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='user',
+            name='localname',
+            field=models.CharField(max_length=255, null=True, unique=True, validators=[bookwyrm.models.fields.validate_localname]),
+        ),
+    ]