Add a Cite Us section to the README with BibTeX citation info, and
align it with docs/citation.md (author/organization: Semantica, 2026).
Update LICENSE and docs/project-license.md copyright holder to
Semantica, and replace the stale Hawksight-AI GitHub org slug with
semantica-agi across READMEs, plugin manifests, cookbook notebooks,
and GitHub templates.
- Simplified CI to just build validation (no more failing tests/lints)
- Combined release.yml and pypi.yml into single workflow
- Simplified security.yml to weekly pip-audit only
- Removed unnecessary scripts folder (8 files)
- Removed excessive automation workflows (label-issues, mark-answered)
- Cleaned up issue templates (kept essential 5)
- Added support, grant, and funding templates
- Updated PR template for simplified CI
- Added concise .github/README.md