feat(examples): add payments app config

examples/payments/apps.py

@@ -0,0 +1,10 @@
+"""App configuration for the example payments app."""
+
+from django.apps import AppConfig
+
+
+class PaymentsConfig(AppConfig):
+    """Example app wiring for the payment gateways."""
+
+    default_auto_field = "django.db.models.BigAutoField"
+    name = "payments"