[publication] Publish v1.0.0 to Zenodo and Community Channels

[gHashTag]

https://github.com/gHashTag/t27/releases/tag/v1.0.0 - v1.0.0 Released!

Status:

• GitHub Release: Created
• Zenodo: Failed (workflow needs manual intervention - use deposition ID 'new')
• CITATION.cff: Updated to v1.0.0
• README: Updated with badges
• ArXiv: Checklist prepared in docs/templates/arxiv-submission-checklist.md
• Announcements: Templates prepared in docs/templates/

Next steps:

1. Manually upload to Zenodo or re-trigger workflow
2. Submit to ArXiv using checklist
3. Post community announcements using templates