Keep the last 100 question attempts in localStorage
- Every time an answer is submitted or a question is skipped, write it to localStorage with timestamp
- Create a log page that shows:
- Time
- Equation
- Answer given (or skipped)
- Whether the answer was right or wrong (use emoji)
- Summary of the last 100 attempts - right/wrong/skip proportion
- Clear logs button
Keep the last 100 question attempts in localStorage