Feature Request: Support for Classifying / Tagging Datastore Types (SSD, HDD, NVMe, SATA, SAS)

### The required feature described as a wish

I would like CloudStack to provide native support for classifying storage pools by their underlying hardware characteristics. This feature would improve transparency and scheduling decisions across heterogeneous storage environments.

Proposed attributes:
- Storage medium: SSD or HDD
- Interface type: SATA, SAS, or NVMe
- Configuration: Selectable or definable at storage pool creation (via UI and API)

Benefits:
- Enables more intelligent VM placement and scheduling based on storage performance
- Simplifies management of storage tiers and offerings
- Reduces dependency on manual or inconsistent tag naming
- Provides clearer visibility of storage capabilities to administrators and users

Example use case:
- Differentiate between NVMe SSD pools and SATA HDD pools to ensure high-performance workloads are placed on suitable storage tiers

Future considerations:
- Extend classification to support defined storage tiers (e.g., high-performance, standard, archive)
- Enable service offerings to automatically deploy VMs on the matching storage tier
- Provide visibility into storage tier usage and capacity for better planning and monitoring

Start by reviewing the existing storage pool creation paths in the UI and API, then trace how storage capabilities, tags, and placement decisions are represented. Clarify the design for medium, interface, and configuration attributes before implementing it; done should include selectable or definable classifications and the requested visibility for administrators and users.

Written by the indexing model from the issue text.