d2f6bd7504
- Sync en-US/README.md with root README.md (path adjustments) - Translate zh-TW to proper Traditional Chinese (was mixed simplified) - Translate ja-JP body content to Japanese (was Chinese) - Translate ko-KR body content to Korean (was Chinese) - Translate es-ES, fr-FR, ar-SA, vi-VN, de-DE body content - Add missing banner image to all translations - Add missing sections: User Research appendix, Major Projects, Claude Agent SDK, Spec Coding, Other Courses, etc. - Ensure consistent structure across all 10 language versions Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>