docs: link GR00T-WholeBodyControl SONIC setup guide in ecosystem

[nv-mhaselton]

Description

Adds a link to the GR00T-WholeBodyControl SONIC setup guide in the ecosystem docs.

Type of change

• 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 change)
• Documentation update

Testing

Checklist

• I have read and understood the contribution guidelines
• I have run the linter and formatter with SKIP=check-copyright-year pre-commit run --all-files
• I have made corresponding changes to the documentation
• I have added tests that prove my fix/feature works (or explained why not)
• I have signed off all my commits (git commit -s) per the DCO

Summary by CodeRabbit

• Documentation
  • Added a new ecosystem entry for GR00T-WholeBodyControl on Unitree G1.
  • Included a direct link to setup instructions for the new teleoperation publisher guidance.
  • Added the required reference so the new documentation link resolves correctly.

[github-actions]

📝 Docs preview is not auto-deployed for fork PRs.

A maintainer with write access to NVIDIA/IsaacTeleop can deploy a preview by
commenting /preview-docs on this PR. Once deployed, the preview
will live at:

https://nvidia.github.io/IsaacTeleop/preview/pr-710/

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Enterprise

Run ID: 3a96adc2-697f-4c8e-a26b-3512b9a36b6e

📥 Commits

Reviewing files that changed from the base of the PR and between c344ab9 and d2392fe.

📒 Files selected for processing (1)

• docs/source/overview/ecosystem.rst

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📝 Walkthrough

Walkthrough

Adds a new Targeted Robotics Embodiments bullet for GR00T-WholeBodyControl on Unitree G1 in the ecosystem overview, and adds the matching reST link target for the setup instructions.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 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 clearly matches the documentation change: adding a GR00T-WholeBodyControl setup guide link in the ecosystem docs.
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.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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_{Comment @coderabbitai help to get the list of available commands.}

[nv-mhaselton]

Replaces #708