open/close table of contents

1. Accounts
2. Playing quizzes
- 2.1. Quiz types
- 2.2. Anki mode
3. Creating quizzes
- 3.1. Remixing quizzes
- 3.2. Auto-importing data
4. For developers
- 4.1. API
- 4.2. Open source
5. Notes and acknowledgements

Remixing quizzes

TODO

→Auto-importing data