Added property to change the center of the coordinates

Author: neoxharsh

adafruit_display_text/label.py

@@ -181,7 +181,7 @@ def cx(self):
     @property 
     def cy(self):
          """Center Y of the Label """
-        return self.y + self._boundingbox[3]/2
+         return self.y + self._boundingbox[3]/2
 
     @cx.setter
     def cx(self, new_cx):