Update content
1) Gameplay changes:
- At the end of the basic tutorial, we added an effect that plays when you score in 2v2.
- Added basic controls list to the control guide inside the menu (Xbox controllers will be added later).
2) Changes based on feedback:
- Slightly increased the rebound force when the ball collides with the backboard.
- Increased the thickness of the goal to address a bug with the goal.
- Increased the power of the Side Swing release.
- Fixed a bug where there was no sound when triggering a power swing.
- Reduced the size of the hitbox between the backboard and rim.
