Deathblooms Collab

Added 4 new butts to the game

Rare Butt

• Deathblooms Butt
  

Common Butts

• Shorts Light Butt
  
• Shorts Tan Butt
  
• Shorts Dark Butt
  

In addition to the new content I also improved the Butt-a-pedia UI a little by adding sorting modes and filters.