Fix README and add missing skills
- Fixed missing command names in README (Prometheus 6 commands, Dexto 12 commands)
- Fixed hooks section with all 14 hook names listed
- Added bw-article-designer skill (article styling with black/white theme)
- Added ralph-system-prompts skill collection (101 system prompts from system_prompts_leaks)
- Updated skill count from 291 to 359
- Updated badges and documentation
Co-Authored-By: Claude <noreply@anthropic.com>
