Add useful function to message board lib

Author: makermelissa

Matrix_Portal_S3_Message_Board/Enclosure/STL_Files/Connector Bracket.stl

@@ -1,7 +1,3 @@
-# SPDX-FileCopyrightText: 2023 Melissa LeBlanc-Williams for Adafruit Industries
-#
-# SPDX-License-Identifier: MIT
-
 import bitmaptools
 import displayio
 import adafruit_imageload
@@ -56,6 +52,10 @@ def animate(self, message, animation_class, animation_function, **kwargs):
         anim_func = getattr(animation, animation_function)
         anim_func(message, **kwargs)
 
+    def set_message_position(self, x, y):
+        """Set the position of the message on the display"""
+        self._position = (x, y)
+
     def _draw(
         self,
         image,