Cherry-pick: Updates Rlinf docs

[mingxueg-nv]

Description

Add a note to the RLinf VLA post-training docs that Windows support is still being optimized and Linux is recommended for RLinf training and evaluation.

Type of change

• Documentation update

Checklist

• I have read and understood the contribution guidelines
• I have run the pre-commit checks with ./isaaclab.sh --format
• 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
• I have updated the changelog and the corresponding version in the extension's config/extension.toml file
• I have added my name to the CONTRIBUTORS.md or my name already exists there

[greptile-apps]

Greptile Summary

This documentation-only PR adds a platform-support note to the RLinf VLA post-training guide, advising users that Windows support is still being optimized and that Linux is the recommended platform for RLinf training and evaluation.

• A single .. note:: block is inserted between the evaluation script description and the Checkpoints section, using valid RST syntax and matching the style of the adjacent note above it.

Confidence Score: 5/5

This is a docs-only change adding a single platform note with valid RST syntax — no risk to runtime behavior.

One .. note:: block is inserted with correct RST formatting, matching the style of the adjacent note. No code paths, APIs, or configuration are affected.

No files require special attention.

Important Files Changed

Filename	Overview
docs/source/experimental-features/rlinf_vla_posttraining.rst	Adds a .. note:: directive warning that Windows support is still being optimized and Linux is recommended for RLinf training and evaluation. RST syntax is correct and the note is placed appropriately before the Checkpoints section.

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart TD
    A[RLinf VLA Post-training Docs] --> B[Evaluation Script Description]
    B --> C[Note: config_path is optional]
    C --> D["Note: Windows support still being optimized\n(NEW - this PR)"]
    D --> E[Checkpoints Section]

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_{Reviews (1): Last reviewed commit: "Note Windows support for RLinf is still ..." | Re-trigger Greptile}