v0.19.4 - Power Info Overlay & More

Even more QOL improvements :)

• Power Info overlay - see device power production/consumption
  
• Mining drone now have engine exhaust particles
  
• Changed asteroid spawning logic - fewer asteroids of larger size
  
• New asteroid sprites
  
• Show outline around selected asteroid
  
• Fixed trading screen - sometimes stack was reset when trying to sell more
  
• Fixed ship engine exhaust on menu