Added references on Get-AzureRMNetworkWatcherReachabilityReport and Get-AzureRmNetworkWatcherReachabilityProvidersList cmdlets to AzureRM.Network.md

Author: irrogozh

src/ResourceManager/Network/Commands.Network/help/AzureRM.Network.md

@@ -239,6 +239,12 @@ Lists network usages for a subscription
 ### [Get-AzureRmNetworkWatcher](Get-AzureRmNetworkWatcher.md)
 Gets the properties of a Network Watcher
 
+### [Get-AzureRmNetworkWatcherReachabilityProvidersList](Get-AzureRmNetworkWatcherReachabilityProvidersList.md)
+Lists all available internet service providers for a specified Azure region
+
+### [Get-AzureRMNetworkWatcherReachabilityReport](Get-AzureRMNetworkWatcherReachabilityReport.md)
+Gets the relative latency score for internet service providers from a specified location to Azure regions
+
 ### [Get-AzureRmNetworkWatcherFlowLogStatus](Get-AzureRmNetworkWatcherFlowLogStatus.md)
 Gets the status of flow logging on a resource.