Add docs for how to use CloudXRLauncher

[jiwenc-nv]

Summary by CodeRabbit

• Documentation
  • Added new CloudXR reference page with comprehensive documentation covering runtime integration, API usage, configuration options, environment variables, file locations, and troubleshooting procedures for common startup and runtime issues.
  • Updated quick start guide with guidance directing users to the CloudXR reference page for detailed setup and configuration information.

[coderabbitai]

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📝 Walkthrough

Walkthrough

This pull request adds documentation for CloudXR runtime integration. It introduces a new reference page (docs/source/references/cloudxr.rst) that comprehensively documents the CloudXR runtime, the CloudXRLauncher API, environment variable configuration, startup/shutdown flows, readiness behavior, default installation directories, EULA handling, and troubleshooting guidance. The quick start guide is updated with a tip directing users to this reference page, and the documentation index is updated to include the new reference in its table of contents.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 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 pull request title accurately describes the main change: adding documentation for the CloudXRLauncher, which is the primary focus of all three modified/created documentation files.
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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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[jiwenc-nv]

/preview-docs

[github-actions]

✅ Preview deployed: https://NVIDIA.github.io/IsaacTeleop/preview/pr-410/

[jiwenc-nv]

/preview-docs

[github-actions]

✅ Preview deployed: https://NVIDIA.github.io/IsaacTeleop/preview/pr-410/