Add more Monitor pages to left menu
Now that these stub pages exist, add them to the left navigation:
- /operations
- /operations/metrics
- /operations/metrics/embed.html
- /operations/metrics/embed_grafana.html
- /operations/metrics/dashboards
- /operations/metrics/dashboards/panel_types.html
- /operations/metrics/dashboards/yaml.html
and update the following moved pages:
- /operations/feature_flags.html
- /operations/tracing.html
Related to gitlab#227441 (closed) which charts out the overarching IA work this MR is a part of.
Edited by Amy Qualls