- Updated the logo animation in `logo-intro.svg` to enhance visual effects and timing.
- Changed the service worker cache version from v7 to v17 and removed an unused logo file.
- Adjusted test cases to reflect the updated logo path.
- Introduced a new `live.py` module to manage live class sessions, including session creation, participant management, and question handling.
- Added tests for the new live session functionality to ensure correct behavior for student participation and session lifecycle.
