feat(model): Added correct data models

model/inventory.py

@@ -0,0 +1,14 @@
+from dataclasses import dataclass
+from datetime import datetime
+@dataclass
+class InventoryRecord:
+    id: int
+    robot_id: str
+    product_id: str
+    quantity: int
+    zone: str
+    row_number: int
+    shelf_number: int
+    status: str
+    scanned_at: datetime
+    created_at: datetime