Implement Duolingo-style quiz system for sign language learning app#2

adewuyito merged 1 commit intomasteradewuyito/sign_learn:masterfrom

copilot/fix-1eb0135d-594f-4811-897a-5b8e0d075b2eadewuyito/sign_learn:copilot/fix-1eb0135d-594f-4811-897a-5b8e0d075b2eCopy head branch name to clipboard