Developed multilingual documentation enhancements for the aymericzip/intlayer repository, focusing on improving accessibility and onboarding for a broader user base. Introduced a language switcher within the Markdown-based README, seamlessly connecting the English documentation to a newly created Simplified Chinese version. Authored a comprehensive Chinese README that details project features, ensuring Chinese-speaking users can easily understand and navigate the project. Emphasized internationalization best practices throughout the documentation process, aligning content structure and navigation for both languages. All changes were tracked through clear, descriptive commits, demonstrating a methodical approach to documentation and localization using Markdown and internationalization (i18n) skills.