Update version 0.1.31a

Changes & Improvements:

• Added a list of supporters to the menu
• Added item pickup animation
• The Vulp race now has its own natural fur color
• Changed one of the death tips
• Improved projectile system
• Enhanced the "Shocker" visual effect
• Equipping an item now requires 1 turn

Bug Fixes:

• Fixed a localization issue when hovering over characters
• Fixed a bug where the white mushroom didn't stack
• Fixed a cursor bug: memory leak and game freezing
• Fixed a crash when entering the arena while the player is dead