The Floor is Lava - Keyboard and Mouse Control Improvements

I am releasing a rework of the keyboard and mouse controls for The Floor is Lava. I implemented the following fixes:

1.  Corrected the mouse left-right rotation so it is no longer inverted
2. Fixed the camera drift bug
3. Added alternative controls for running, climbing, crouching, and swapping camera to be more ergonomic

I have more improvements planned for The Floor is Lava, including:

1. Improved variation of which objects are dropped and when to better control game difficulty
2. Improved landing detection for objects to prevent "sky stacking"
3. Tightened fall radius to make a taller stack faster