feat: added product batches and provider models

shop/api/v1/routers.py

@@ -6,6 +6,8 @@ from shop.api.v1.viewsets import (
     ProductPriceViewSet,
     OrderViewSet,
     OrderLineViewSet,
+    ProviderViewSet,
+    ProductBatchViewSet,
 )
 
 
@@ -13,8 +15,10 @@ router = DefaultRouter()
 
 router.register("taxes", TaxViewSet)
 router.register("customers", CustomerViewSet)
+router.register("providers", ProviderViewSet)
 router.register("products", ProductViewSet)
 router.register("product-prices", ProductPriceViewSet)
+router.register("product-batches", ProductBatchViewSet)
 router.register("orders", OrderViewSet)
 router.register("orders/(?P<order_id>[^/.]+)/lines", OrderLineViewSet)