docs(get-started): add Windows WSL2 setup section

[hemachandra666]

Adds a Windows (WSL2) setup section to the installation guide, covering WSL2 installation, Linux user setup, build prerequisites, and uv installation, then handing off to the existing Install From Source steps. Verified on Windows 11 with Ubuntu 24.04 LTS.

Description

The installation guide does not document how to set up the toolkit on Windows. The Supported Platforms table lists Windows x86_64 as untested, and the only existing Windows reference is a single line in the contributing guide with no steps. This adds a Windows (WSL2) section to docs/source/get-started/installation.md, placed after Software Prerequisites, that walks through installing WSL2 and Ubuntu, setting up the Linux user, installing build prerequisites including Git LFS, and installing uv. It then hands off to the existing Install From Source steps so nothing is duplicated. All steps were verified end to end on Windows 11 with Ubuntu 24.04 LTS.

By Submitting this PR I confirm:

• I am familiar with the [Contributing Guidelines](https://github.com/NVIDIA/NeMo-Agent Toolkit/blob/develop/docs/source/resources/contributing/index.md).
• We require that all contributors "sign-off" on their commits. This certifies that the contribution is your original work, or you have rights to submit it under the same license, or a compatible license.
  • Any contribution which contains commits that are not Signed-Off will not be accepted.
• When the PR is ready for review, new or existing tests cover these changes.
• When the PR is ready for review, the documentation is up to date with these changes.

Signed-off-by: Kunchala Hema Sai Venkat Chandra Kumar kumarchanduk@gmail.com

Summary by CodeRabbit

• Documentation
  • Added comprehensive Windows (WSL2) installation guide with step-by-step instructions for WSL2 and Ubuntu setup, Linux user password configuration, installation of required build prerequisites including Git LFS, environment initialization, and guidance for proceeding with the source-based installation workflow from within the WSL2 Ubuntu shell environment.

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📥 Commits

Reviewing files that changed from the base of the PR and between 2dacbce and b3d3289.

📒 Files selected for processing (1)

• docs/source/get-started/installation.md

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Walkthrough

This PR adds a new Windows (WSL2) installation section to the getting-started guide, providing step-by-step instructions for users on Windows to set up WSL2, configure their Linux environment, install build prerequisites including Git LFS, install the uv package manager, and proceed with source installation within the WSL2 shell.

Changes

Windows (WSL2) Installation Documentation

Layer / File(s)	Summary
WSL2 installation workflow documentation docs/source/get-started/installation.md	New Windows-specific installation guide section describing WSL2/Ubuntu installation, Linux user setup, build prerequisite and Git LFS installation, uv tool configuration, and continuation of source-install steps within the WSL2 environment.

🎯 2 (Simple) | ⏱️ ~10 minutes

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title is concise, descriptive, uses imperative mood, and directly reflects the main change—adding Windows WSL2 setup documentation to the installation guide.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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