Added missing translations:
- core_values.pluralism_title/desc (Pluralism value card)
- how_it_works.deliberation_title/desc (PluralisticDeliberationOrchestrator)
These sections were present in English but missing from DE/FR,
causing English fallback content to display on translated pages.
Translations via DeepL API.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>