Create/adapt dashboards covering major Coder architectural components

- [x] Controlplane
- [x] Number of replicas
- [x] API requests per route per replica
- [x] CPU per replica (requests, limits, usage)
- [x] Memory per replica (requests, limits, heap, RSS, gc pacer)
- [x] Pod restarts
- [x] Pubsub latency
- [x] Active users vs license seats
- [ ] Workspaces
- [x] Pod restarts
- [x] Pod OOMs
- [ ] Pods with fullest disks (requires https://github.com/kubernetes-sigs/metrics-server/ to be installed)
- [x] Pods with highest CPU usage
- [x] Pods with highest memory usage
- [x] Workspaces Detail ([inspiration](https://app.datadoghq.com/dashboard/n3g-hha-96v/workspace-events?fromUser=true&refresh_mode=sliding&view=spans&from_ts=1715590796551&to_ts=1715677196551&live=true))
- [x] Logs for workspace
- [x] Template name & version
- [x] Owner
- [x] Build status
- [ ] Workspace proxies
- [ ] Status
- [x] Provisioner
- [x] Number of built-in provisioners
- [x] Number of external provisioners
- [x] Build successes vs failures
- [x] Build successes vs failures (per template)
- [x] Builds in progress
- [ ] Networking
- [ ] Websocket
- [ ] Current connections
- [ ] Traffic by workspaces
- [ ] Traffic by coderd replica
- [ ] Agent
- [ ] Current connections
- [ ] Traffic by workspaces
- [ ] Traffic by coderd replica
- [ ] Health checks (stretch)