added Stack Overflow guidance

Added extra links to the guidance pertaining asking questions on Stack Overflow, to ensure users first read through guidance to ensure questions are both on-topic and well-written — both of which will improve these users' experience on Stack Overflow, and avoid having off-topic questions asked there.

Author: JNat

content/en/docs/tasks/debug-application-cluster/troubleshooting.md

@@ -45,8 +45,9 @@ and command-line interfaces (CLIs), such as [`kubectl`](/docs/reference/kubectl/
 Someone else from the community may have already asked a similar question or may
 be able to help with your problem. The Kubernetes team will also monitor
 [posts tagged Kubernetes](https://stackoverflow.com/questions/tagged/kubernetes).
-If there aren't any existing questions that help, please
-[ask a new one](https://stackoverflow.com/questions/ask?tags=kubernetes)!
+If there aren't any existing questions that help, **please [ensure that your question is on-topic on Stack Overflow](https://stackoverflow.com/help/on-topic)
+and that you read through the guidance on [how to ask a new question](https://stackoverflow.com/help/how-to-ask)**,
+before [asking a new one](https://stackoverflow.com/questions/ask?tags=kubernetes)!
 
 ### Slack