v2.0.0 — terminal and theme integration

Terminal palettes, Hugo integration guidance, and accessible surface updates.

Highlights#

• Added the complete terminal palette, Hugo theme guidance, and live theme examples.
• Updated token and surface roles for stronger accessibility and consistency.
• Corrected navigation and release-interface defects across the documentation site.

This release includes appearance-changing token updates. Review the repository change log before upgrading an existing implementation.