Fix kubectl autocompletion may only work on root

The current instructions creates a /etc/bash_completion.d/kubectl file with the default file permission, and may not always contain the necessary global read permission for all users of the system to use the config. This is fixed by adding a chmod command that adds the missing permisison, in case it is missing

content/en/docs/tasks/tools/included/optional-kubectl-configs-bash-linux.md

@@ -36,6 +36,7 @@ echo 'source <(kubectl completion bash)' >>~/.bashrc
 {{< /tab >}}
 {{< tab name="System" codelang="bash" >}}
 kubectl completion bash | sudo tee /etc/bash_completion.d/kubectl > /dev/null
+sudo chmod a+r /etc/bash_completion.d/kubectl
 {{< /tab >}}
 {{< /tabs >}}