Rework

Changed:

- Reworked post processing.

- Will-o-Wisp particles are now persistent, and the particle texture has changed.

- Player's flashlight is now no longer static.

- Changed player controller to feel smoother.

- Player can no longer jump.

Added:

- Rain.

- Some surrounding buildings in the environment.

- FOV slider in settings.

- In-game timer.

Fixed:

- Fixed obscure issue where player settings were not being saved if the player force quit the game.