Updated examples.rst to reflect filename changes

Author: evaherrada

docs/examples.rst

@@ -3,14 +3,14 @@ Simple tests
 
 Ensure your device works with these simple tests.
 
-.. literalinclude:: ../examples/tone_demo.py
-    :caption: examples/tone_demo.py
+.. literalinclude:: ../examples/simpleio_tone_demo.py
+    :caption: examples/simpleio_tone_demo.py
     :linenos:
 
-.. literalinclude:: ../examples/shift_in_out_demo.py
-    :caption: examples/shift_in_out_demo.py
+.. literalinclude:: ../examples/simpleio_shift_in_out_demo.py
+    :caption: examples/simpleio_shift_in_out_demo.py
     :linenos:
 
-.. literalinclude:: ../examples/map_range_demo.py
-    :caption: examples/map_range_demo.py
-    :linenos:
+.. literalinclude:: ../examples/simpleio_map_range_demo.py
+    :caption: examples/simpleio_map_range_demo.py
+    :linenos: