Updated UI, Fisheye Effect & Splashscreen

CHANGELOG

• Add fisheye camera effect
• Add missing translations for spanish and italian
• Freeze camera if you cannot escape black hole anymore
• Improve souvenirs image anomaly
• Improve difficulty gui
• Add spooky splashscreen (Thanks to KenneyNL)
• Improve overall in game gui
• [FIX] How to play button size with keyboard controls
• [FIX] Language selection in pause menu