[Grafana] - Create mvp dashboards dev + prod

[vexingly]

• [ ] Kibana dashboard for cluster wide Notebook usage
  • [ ] Granfana dashboard for cluster wide user resource usage (notebook pods and ml pods)
• [ ] Grafana dashboard for individual namespace pod resource usage (i.e. same as what kubecost displays for cost)
• [ ] Kibana dashboard for Kubeflow UI usage
  • [ ] Historical archiving of Kibana rollup data