Update library name for import in example files

Author: tekktrik

examples/displayio_cartesian_advanced_test.py

@@ -10,7 +10,7 @@
 import board
 import displayio
 import terminalio
-from adafruit_displayio_layout.widgets.cartesian import Cartesian
+from displayio_cartesian import Cartesian
 
 # Fonts used for the Dial tick labels
 tick_font = terminalio.FONT

examples/displayio_cartesian_lineplot.py

@@ -9,7 +9,7 @@
 import time
 import board
 import displayio
-from adafruit_displayio_layout.widgets.cartesian import Cartesian
+from displayio_cartesian import Cartesian
 
 # create the display on the PyPortal or Clue or PyBadge(for example)
 display = board.DISPLAY

examples/displayio_cartesian_simpletest.py

@@ -10,7 +10,7 @@
 import board
 import displayio
 import terminalio
-from adafruit_displayio_layout.widgets.cartesian import Cartesian
+from displayio_cartesian import Cartesian
 
 # Fonts used for the Dial tick labels
 tick_font = terminalio.FONT