- adds disk IO
- removes error rate (its in the first row in the second section anyway)
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## Summary by CodeRabbit
## Release Notes
* **New Features**
* Added Disk IO metric card to monitor disk input/output performance in
real-time.
* **Changes**
* Removed Error Rate metric from database infrastructure monitoring
dashboard.
* Renamed "Disk" metric to "Disk Usage" for improved clarity.
* Enhanced disk metrics with refined measurements and calculations.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Jordi Enric
b5976c0b51