Refactor game state and HUD:

- Removed the State class as it was no longer needed.
- Updated the MazeData class to improve output formatting.
- Added new assets for HUD background and foreground.
- Implemented Inventory class to manage crafting and item selection.
- Created HUDLayer class to handle drawing the HUD and inventory interactions.

utils/maze.rb

@@ -160,7 +160,7 @@ class MazeData
       (0...self.width).each do |x|
         print wall_chars[wall_type(x, y)]
       end
-      puts
+      print "\n"
     end
   end