Added basic title screen functionality

src/Menus/TitleScreen/TitleScreenButton.gd

@@ -0,0 +1,12 @@
+extends Button
+class_name TitleSceenButton
+
+export(String, FILE, "*.tscn,*.scn") var scene_to_load = ""
+export(bool) var quit = false
+
+func _pressed():
+	if quit:
+		get_tree().quit()
+		return
+		
+	get_tree().change_scene(scene_to_load)