feat: Make location optional for RescueOrg and add material use permission status

src/fellchensammlung/migrations/0005_rescueorganization_allows_using_materials_and_more.py

@@ -0,0 +1,24 @@
+# Generated by Django 5.1.1 on 2024-09-28 20:59
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('fellchensammlung', '0004_rename_created_by_adoptionnotice_owner_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='rescueorganization',
+            name='allows_using_materials',
+            field=models.CharField(choices=[('allowed', 'Usage allowed'), ('requested', 'Usage requested'), ('denied', 'Usage denied'), ('other', "It's complicated"), ('not_asked', 'Not asked')], default='Not asked', max_length=200, verbose_name='Erlaubt Nutzung von Inhalten'),
+        ),
+        migrations.AlterField(
+            model_name='rescueorganization',
+            name='location',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.PROTECT, to='fellchensammlung.location'),
+        ),
+    ]