Add builder class for Azure VM template configuration with fluent API

Author: alwaysharsha

src/main/java/com/microsoft/azure/vmagent/builders/AzureVMTemplateBuilder.java

@@ -6,6 +6,7 @@
 import com.microsoft.azure.vmagent.launcher.AzureInboundLauncher;
 import com.microsoft.azure.vmagent.launcher.AzureSSHLauncher;
 import com.microsoft.azure.vmagent.util.Constants;
+import com.microsoft.azure.vmagent.availability.NoAvailabilityRequired;
 
 public class AzureVMTemplateBuilder extends AzureVMTemplateFluent<AzureVMTemplateBuilder> {