🎨 Add Hayula branding: banner, OG image, and footer

📧 Update contact email: hayula@openclaw.ai → Hayulalabs@gmail.com

🔧 Remove training time and M2 hardware references

📜 Add license_name and license_link to YAML frontmatter

📜 Update license: CC-BY-4.0 → Hayula Research License (Research Only, No Commercial Use)

Upload README.md with huggingface_hub