Added missing tech preview label to Driver Toolkit docs

Author: ahardin-rh

scalability_and_performance/psap-driver-toolkit.adoc

@@ -5,11 +5,13 @@ include::modules/common-attributes.adoc[]
 
 toc::[]
 
-Learn about the Driver Toolkit and how you can use it as a base image for driver containers for enabling special software and hardware devices on Kubernetes. 
+Learn about the Driver Toolkit and how you can use it as a base image for driver containers for enabling special software and hardware devices on Kubernetes.
+
+:FeatureName: The Driver Toolkit
+include::modules/technology-preview.adoc[leveloffset=+0]
 
 include::modules/psap-driver-toolkit.adoc[leveloffset=+1]
 
 include::modules/psap-driver-toolkit-pulling.adoc[leveloffset=+1]
 
 include::modules/psap-driver-toolkit-using.adoc[leveloffset=+1]
-