Match DragonRuby window

Matches the 720p height of the window of https://github.com/pusewicz/wave-function-collapse-dragonruby

Author: pusewicz

lib/wave_function_collapse/window.rb

@@ -3,7 +3,7 @@
 module WaveFunctionCollapse
   class Window < Gosu::Window
     WIDTH = 1280
-    HEIGHT = 800
+    HEIGHT = 720
     def initialize
       super(WIDTH, HEIGHT)
       self.caption = "Wave Function Collapse in Ruby"