feat(governance): synchronize versioning and fix netlify config
- Synchronize project version to 1.2.0 across setup.py, pyproject.toml, CITATION.cff, and codemeta.json.
- Ensure next-app/next.config.js adheres to Standard JS style.
- Fix Netlify _headers and _redirects to meet CI validation requirements (one trailing newline, no trailing spaces).
- Validate governance assets and verify core NLP/CV functionality.
Co-authored-by: OneFineStarstuff <87420139+OneFineStarstuff@users.noreply.github.com>