The Cleaner of the Depth

Fixes:
- The bird no longer falls off the jaw or flies out of the crocodile's mouth.
- Starting a new game refreshes all teeth and triggers a full restart.
- Fixed camera shaking issue.
- Fixed a bug where the bird would get stuck in the air between teeth.

Improvements:
- Added several new animations for the bird.
- Added visual effects simulating microbes on the teeth.
- Introduced three additional notes.
- Added a melody that plays when all teeth are cleaned.
- Included extra ambient sounds for immersion.

In Progress:
- Timer/Speed-based game mode.
- Inversion (???).