Arnav enhanced the advanced-computing/course-materials repository by developing student-facing documentation features focused on profile and attendance management. He created a dedicated Markdown profile containing personal and academic details, including a profile image reference, and updated personal information to personalize the user experience. To improve data visibility and traceability, Arnav appended attendance records with supporting images to the lab materials, ensuring clear onboarding and easier tracking. His work emphasized maintainability through a structured commit history, facilitating future updates. Leveraging skills in documentation and Markdown, Arnav delivered a focused, well-organized contribution that addressed onboarding and attendance tracking needs within the course materials.