docs: correct upstream repository links

[fanyahao1]

Summary

Fix incorrect repository links and attribution.

Upstream	Original link	Corrected link	Affected files
holosoma	https://github.com/NVIDIA-Omniverse/holosoma	https://github.com/amazon-far/holosoma	NOTICE, framework.md
holosoma source metadata	https://github.com/HumanoidTeam/holosoma	https://github.com/amazon-far/holosoma	assets/motions/meshmimic/holosoma/source.yaml
SOMA-Retargeter	https://github.com/NVlabs/SOMA-Retargeter	https://github.com/NVIDIA/SOMA-Retargeter	NOTICE, framework.md, hhtools/retarget/newton_basic/

Additional attribution correction:

• Change holosoma attribution from NVIDIA Corporation to Amazon FAR in NOTICE.

Validation

• git diff --check
• Confirmed the repository no longer contains:
  • github.com/NVIDIA-Omniverse/holosoma
  • github.com/HumanoidTeam/holosoma
  • github.com/NVlabs/SOMA-Retargeter
• Ruff was not run locally.