[New feature] Add a Point System to Capture Expertise in a language #886
Description
Think about how we can create a point system that can capture a uses expertise in a language - different from levels and XP.
These points could potentially be used in a leaderboard.
How do we estimate expertise of a language?
- top 200 words?
- If you know most frequent words?
- Aggregated metric of (Accuracy, Difficulty, # learned words)