add lineup entry (analogous to positioning)

teamsnap/migrations/0014_alter_lineupentry_teamsnap_id.py

@@ -0,0 +1,18 @@
+# Generated by Django 3.2.6 on 2021-11-21 20:46
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('teamsnap', '0013_remove_lineupentry_name'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='lineupentry',
+            name='teamsnap_id',
+            field=models.CharField(blank=True, max_length=10, null=True, unique=True),
+        ),
+    ]