Add help section and fix viewer functionality to answer "What can I do here?"#1

Copilot wants to merge 2 commits intomainferahfeza/EM-Problemleri:mainfrom

copilot/fix-31de940e-9f20-40ef-a1d3-8461070e76c3ferahfeza/EM-Problemleri:copilot/fix-31de940e-9f20-40ef-a1d3-8461070e76c3Copy head branch name to clipboard