feat: add debug command that prints settings

src/fellchensammlung/management/commands/print-settings.py

@@ -0,0 +1,13 @@
+from django.core.management import BaseCommand
+
+from notfellchen import settings
+
+
+class Command(BaseCommand):
+    help = 'Print the current settings'
+
+    def handle(self, *args, **options):
+        for key in settings.__dir__():
+            if key.startswith("_") or key == "SECRET_KEY":
+                continue
+            print(f"{key} = {getattr(settings, key)}")