feat: shipping warehouse and cost

models/shipping_warehouse.py

@@ -0,0 +1,9 @@
+from sqlalchemy.orm import Mapped, mapped_column
+
+from models import BaseModel
+
+
+class ShippingWarehouse(BaseModel):
+    __tablename__ = 'shipping_warehouses'
+    id: Mapped[int] = mapped_column(primary_key=True)
+    name: Mapped[str] = mapped_column(nullable=False)