feat: Add species specialization and parent option to Rescue Orgs

src/fellchensammlung/migrations/0051_rescueorganization_parent_org_speciesspecialization.py

@@ -0,0 +1,27 @@
+# Generated by Django 5.2.1 on 2025-07-03 09:28
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('fellchensammlung', '0050_rename_rescues_organization_speciesspecificurl_rescue_organization'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='rescueorganization',
+            name='parent_org',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.PROTECT, to='fellchensammlung.rescueorganization'),
+        ),
+        migrations.CreateModel(
+            name='SpeciesSpecialization',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('rescue_organization', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='fellchensammlung.rescueorganization', verbose_name='Tierschutzorganisation')),
+                ('species', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='fellchensammlung.species', verbose_name='Tierart')),
+            ],
+        ),
+    ]