Game experience should be more consistent now

- The Exit (to menu) and Settings buttons have been merged into a single Pause window that can be accessed by pressing Escape or Start/"Nintendo +" from the keyboard or game controllers, respectfully. Interacting with the game should be more user friendly and predictable now.

project/src/GameScn.gd

@@ -0,0 +1,8 @@
+# Anthony Wilcox licenses this file to you under the GPL license.
+# See the LICENSE file in the project root for more information.
+extends Node
+
+func _process(delta):
+	if Input.is_action_pressed("ui_pause"):
+		get_tree().paused = true
+		$WinDialogs/PauseWin.show()