Add resource usage analytics for storage

[rchakode]

Is your feature request related to a problem? Please describe.
While current resource usage analytics covers CPU and memory, storage is also a crucial resource in Kubernetes and should be included

Describe the solution you'd like
Propose an analytics approach that utilizes Persistent Volume Claims (PVCs) to track storage capacity requests at both the namespace and cluster levels.

Describe alternatives you've considered
N/A

Additional context
N/A