Add POS service

services/pos/app/models/__init__.py

@@ -0,0 +1,16 @@
+"""
+Database models for POS Integration Service
+"""
+
+from .pos_config import POSConfiguration
+from .pos_transaction import POSTransaction, POSTransactionItem
+from .pos_webhook import POSWebhookLog
+from .pos_sync import POSSyncLog
+
+__all__ = [
+    "POSConfiguration",
+    "POSTransaction",
+    "POSTransactionItem", 
+    "POSWebhookLog",
+    "POSSyncLog"
+]