break up gameplay stuff

Sources/Voxelotl/main.swift

@@ -1,6 +1,10 @@
 import Darwin
 
+var rect = Rect(origin: .init(0, 0), size: .init(32, 32))
+rect.origin += Point(10, 10)
+
 let app = Application(
+  delegate: Game(),
   configuration: ApplicationConfiguration(
   width: 1280,
   height: 720,