Added code for Creating Named Partition

Author: Pranjal089

articles/service-fabric/service-fabric-cluster-resource-manager-autoscaling.md

@@ -131,6 +131,9 @@ Same as with mechanism that uses scaling by adding or removing instances, there
 
 ### Using application manifest
 ``` xml
+<NamedPartition>
+    <Partition Name="0" />
+</NamedPartition>
 <ServiceScalingPolicies>
     <ScalingPolicy>
         <AverageServiceLoadScalingTrigger MetricName="servicefabric:/_MemoryInMB" LowerLoadThreshold="300" UpperLoadThreshold="500" ScaleIntervalInSeconds="600"/>