Update 0.8.3

Changes:

• Trading system
  
• Brightness, contrast and HDR settings
  
• Added support for 3440x1440 resolution
  
• Max gold limit increased to 9999
  
• Speed up the process of picking up items and loot from containers
  
• Fixed the display of teachers in the text of the quest
  
• Fix double use of items when pressing buttons 5-8
  
• Constant display of the HP bar if the hero is injured
  
• The block has been redesigned, now it has become more responsive and accurate
  
• Reworked jumps, made more responsive
  
• Fixed the protagonist getting stuck, including in the water
  
• Fixed flying objects
  
• Reworked textures and models of stones
  
• Fixed invisible collisions