content: add PathoSynVLM publication links

[chengjiahao1234]

Type of Change

• ✅ Content Update (news, publications, team)

Summary

Added the official project page, GitHub repository, and Hugging Face model links to the Simple Token-Efficient Vision-Language Model publication entry.

Changes Made

• Updated _data/publications.yml with the official PathoSynVLM project page.
• Added the official PathoSynVLM GitHub repository.
• Added the released PathoSynVLM model on Hugging Face.

Testing Checklist

• Changes display correctly on desktop (1920x1080 or similar)
• Changes display correctly on tablet (768x1024 or similar)
• Changes display correctly on mobile (375x667 or similar)
• Tested in light theme
• Tested in dark theme
• No broken links or images
• No console errors
• Ran bundle exec jekyll serve locally without errors

Screenshots (if applicable)

Not applicable; this is a publication-link-only content update.

Related Issues

None.

Additional Notes

• The Jekyll production build completed successfully.
• The project page, GitHub repository, and Hugging Face model links were verified and returned HTTP 200.

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By submitting this PR, I confirm:

• I have tested these changes locally
• I have followed the code standards in DEVELOPMENT.md
• I have updated documentation if needed
• I am ready for this to be reviewed and merged