WIP: Docs add k8s troubleshooting

What does this MR do?

This adds a Kubernetes troubleshooting section to the administrator troubleshooting guides.

Screenshots

Does this MR meet the acceptance criteria?

Conformity

• Documentation created/updated or follow-up review issue created
• Code review guidelines
• Merge request performance guidelines
• Style guides
• Database guides
• Separation of EE specific content