add client name for azurestackhcivm (#36659)

Author: kazrael2119

specification/azurestackhci/AzureStackHCI.StackHCIVM.Management/client.tsp

@@ -5,3 +5,7 @@ using Azure.ClientGenerator.Core;
 
 @@clientName(Microsoft.AzureStackHCI, "AzureStackHCIVmClient", "python");
 @@clientName(Microsoft.AzureStackHCI, "AzureStackHciVmMgmtClient", "java");
+@@clientName(Microsoft.AzureStackHCI,
+  "AzureStackHCIVMManagementClient",
+  "javascript"
+);