Metadata settings for ValidatingWebhookConfiguration and

[diafour]

Is your feature request related to a problem? Please describe.

shell-operator creates resources ValidatingWebhookConfiguration without labels and annotations.

Describe the solution you'd like to see

• Add new environment variables into VALIDATING_* family to set labels and annotations.
• Add a new field in kubernetesValidating items.

Describe alternatives you've considered

Additional context