docs: Update README Latest News section

[sbhavani]

Description

• Move older news items (before 08/2025) to Previous News section
• Add 3 news entries:
  • NVIDIA Blackwell Architecture Sweeps MLPerf Training v5.1 Benchmarks
  • Scale Biology Transformer Models with PyTorch and NVIDIA BioNeMo Recipes
  • FP8 Training of Large-Scale RL Models

Type of change

• Documentation change (change only to the documentation, either a fix or a new content)
• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Infra/Build change
• Code refactoring

Changes

Please list the changes introduced in this PR:

• Change A
• Change B

Checklist:

• I have read and followed the contributing guidelines
• The functionality is complete
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

[greptile-apps]

Greptile Overview

Greptile Summary

This PR updates the README's "Latest News" section by reorganizing news items chronologically. The changes include:

1. Added three new November 2025 entries to the Latest News section:

   • NVIDIA Blackwell Architecture Sweeps MLPerf Training v5.1 Benchmarks
   • Scale Biology Transformer Models with PyTorch and NVIDIA BioNeMo Recipes
   • FP8 Training of Large-Scale RL Models

2. Moved older entries (before 08/2025) to Previous News:

   • Five news items from June, May, March, February, and January 2025
   • Associated image for the 03/2025 DGX Cloud Benchmarking entry

3. Retained in Latest News: All entries from 08/2025 and 09/2025 remain in the Latest News section

The reorganization maintains chronological order within both sections and keeps the Latest News section focused on recent announcements (August 2025 onwards), which aligns with the stated cutoff date of "before 08/2025" in the PR description.

Confidence Score: 5/5

• This is a safe documentation-only change with no code modifications or functional impact
• The PR only reorganizes news entries in a README file by moving older items to a "Previous News" section and adding three new entries. All changes are purely presentational with correct ReStructuredText formatting, proper chronological ordering, and no impact on code functionality, tests, or build processes.
• No files require special attention

Important Files Changed

File Analysis

Filename	Score	Overview
README.rst	5/5	Reorganized news sections by moving pre-08/2025 items to Previous News and adding three 11/2025 entries to Latest News

Sequence Diagram

sequenceDiagram
    participant Author
    participant README as README.rst
    participant LatestNews as Latest News Section
    participant PreviousNews as Previous News Section
    
    Author->>README: Move items before 08/2025
    README->>LatestNews: Remove 06/2025, 05/2025, 03/2025, 02/2025, 01/2025 entries
    README->>LatestNews: Remove associated image
    README->>PreviousNews: Add removed entries and image
    Author->>README: Add three new 11/2025 entries
    README->>LatestNews: Add Blackwell MLPerf entry
    README->>LatestNews: Add BioNeMo Recipes entry
    README->>LatestNews: Add FP8 RL Models entry
    README->>README: Keep 09/2025 and 08/2025 entries in Latest News

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