Over a two-month period, contributed to the yypang2/SECP1513202420251-09 repository by expanding and centralizing course resources and establishing foundational personal portfolio documentation. Focused on organizing educational assets using Markdown, consolidating materials such as assignment posters, PDFs, videos, and presentations to streamline access for both learners and instructors. Demonstrated strong documentation skills by maintaining clear commit histories and repository structure, which improved resource discoverability and future course scalability. Additionally, delivered a Markdown-based personal portfolio introduction page, providing a flexible template for showcasing future projects. The work emphasized repository organization, multimedia asset management, and efficient onboarding through comprehensive documentation practices.