Description of problem:
The following metrics are not documented and are missing help text

kubevirt_vmi_phase_transition_time_from_creation_seconds_bucket
kubevirt_vmi_phase_transition_time_from_creation_seconds_count
kubevirt_vmi_phase_transition_time_from_creation_seconds_sum
kubevirt_vmi_phase_transition_time_from_deletion_seconds_bucket
kubevirt_vmi_phase_transition_time_from_deletion_seconds_count
kubevirt_vmi_phase_transition_time_from_deletion_seconds_sum
kubevirt_vmi_phase_transition_time_seconds_bucket
kubevirt_vmi_phase_transition_time_seconds_count
kubevirt_vmi_phase_transition_time_seconds_sum

kubevirt_vmi_migration_phase_transition_time_from_creation_seconds_bucket
kubevirt_vmi_migration_phase_transition_time_from_creation_seconds_count
kubevirt_vmi_migration_phase_transition_time_from_creation_seconds_sum

Version-Release number of selected component (if applicable):

How reproducible:
100%

Steps to Reproduce:
1. Query for the above metrics and see if they have help text
2. Check https://github.com/kubevirt/monitoring/blob/main/docs/metrics.md if the metrics exist.
3.

Actual results:
No help text and no documentation in the monitoring repo

Expected results:
Metrics should be documented and have a help text

Additional info: