[develop]: Add documentation for HSD cases in `tests-dev`

[gspetro-NOAA]

Description:

This PR provides documentation for the HSD cases in tests-dev.

Commit Message:

* UFSWM - Documentation for HSD cases 

Priority:

• High: EPIC is planning an HSD capability announcement for 11/20/24

Git Tracking

UFSWM:

• Closes #2497

Sub component Pull Requests:

• None

UFSWM Blocking Dependencies:

• None

---

Changes

Regression Test Changes (Please commit test_changes.list):

• No Baseline Changes.

Input data Changes:

• None.

  Testing Log:

  • RDHPCS
    • [ ] Hera
    • [ ] Orion
    • [ ] Hercules
    • [ ] Jet
    • [ ] Gaea
    • [ ] Derecho
  • WCOSS2
    • [ ] Dogwood/Cactus
    • [ ] Acorn
  • [ ] CI
  • [ ] opnReqTest (complete task if unnecessary)

[jkbk2004]

merged with #2489