Draft: Resolve "[OAuth] Add feature to limit apps to groups"

Closes #559 (closed)

aleksis/core/migrations/0028_oauth_allowed_groups.py

+# Generated by Django 3.2.9 on 2021-12-05 19:27
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0027_person_place_of_birth'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='oauthapplication',
+            name='allowed_groups',
+            field=models.ManyToManyField(blank=True, related_name='oauth_apps', to='core.Group', verbose_name='Allowed groups'),
+        ),
+    ]