Demo update 1

The demo has been updated.

Changelog:

• Added proper loading screen.
• Reworked character ground physics. Slopes are now less janky and it's more difficult to get stuck.
• Tweaked some enemy positions.
• Improved desert background visuals.
• Improved game over screen.
• Improved "help unlocked" prompt.
• Tweaked audio sliders to make it easier to set precise value.
• Fixed crash when dying after saving after loading an auto-save.
• Fixed save point animation bugs.
• Fixed movement hint showing WSAD icon when using keyboard.
• Fixed audio sliders showing fractional values when changed using analog.

Version 0.1.1