adding Running ROCm/MaxText Unit Tests (Decoupled and GCloud-Dependent) Blog

[gulsumgudukbay]

Objective of the new blog:
This blog provides a clear, practical approach for running MaxText unit tests on ROCm GPUs in both decoupled (offline) and cloud-dependent modes, enabling fast, reliable validation and streamlined development.

Signoff section must be completed prior to publishing.

• Technical reviewer approves publishing: (edit and replace with @githubid)
• Editorial team approved publishing: (edit and replace with @githubid)
• Add a thumbnail image for your blog if one is available
• Text nugget summarizing your article. 2-3 lines to draw the reader's attention. Possibly the opening paragraph can be used.
• Blog author team signoffs
  • AMD Employees only: Legal self review traffic lights completed: (edit and replace with @githubid)
  • Licenses file included for content is correct: (edit and replace with @githubid)
  • Changes from technical review and editorial team are acceptable: (edit and replace with @githubid)

[Ehud-Sharlin]

This is an internal blog, it will be resubmitted as a PR to our internal repo as required. Thank you