add feed out to manual input form

backend/apps/operations/serializers.py

@@ -41,6 +41,7 @@ class ManualInputSerializer(PkAsIdMixin, CycleContextMixin, serializers.ModelSer
             "mortality_manual_total",
             "feed_in_manual_total",
             "feed_use_manual_total",
+            "feed_out_manual_total",
             "harvest_manual_total",
             "harvest_weight_manual_total",
             "average_harvest_day_manual",
@@ -72,6 +73,9 @@ class ManualInputSerializer(PkAsIdMixin, CycleContextMixin, serializers.ModelSer
             "feed_use_manual": validated_data.get(
                 "feed_use_manual", instance.feed_use_manual if instance else 0
             ),
+            "feed_out_manual": validated_data.get(
+                "feed_out_manual", instance.feed_out_manual if instance else 0
+            ),
             "harvest_manual": validated_data.get(
                 "harvest_manual", instance.harvest_manual if instance else 0
             ),