Allow assigning factions to states.

allianceauth/authentication/migrations/0018_state_member_factions.py

@@ -0,0 +1,19 @@
+# Generated by Django 3.1.13 on 2021-10-12 20:21
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('eveonline', '0015_factions'),
+        ('authentication', '0017_remove_fleetup_permission'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='state',
+            name='member_factions',
+            field=models.ManyToManyField(blank=True, help_text='Factions to whose members this state is available.', to='eveonline.EveFactionInfo'),
+        ),
+    ]