Document how to visualize Kubewarden data in Stackstate

[jvanz]

Document how to create custom views in StackState specifically for Kubewarden data that will allow users to visualize audit scanner results, policy evaluation traces, and key metrics. Stackstate has some perspectives that can be take into consideration

• Traces perspective for Policy Evaluations.
• Metrics perspective for Kubewarden Stack

Acceptance criteria

• Write documentation to explain how a Stackstate user can use the Kubewarden data with the Views and filters features available
• Try to replicate as much as possible what we have in Jaeger and Grafana/Prometheus