adding readme examples

Author: jposada202020

README.rst

@@ -27,6 +27,9 @@ For detailed view of the library please refer to the `Quick start guide <https:/
 
 .. image:: https://github.com/jposada202020/CircuitPython_uplot/blob/main/docs/readme2.png
 
+.. image:: https://github.com/jposada202020/CircuitPython_uplot/blob/main/docs/readme3.png
+
+.. image:: https://github.com/jposada202020/CircuitPython_uplot/blob/main/docs/readme4.png
 
 Below a picture of a real live application. for more information visit the project `page <https://github.com/casainho/temperature_humidity_sensor_eink_display>`_. Thanks to @Casainho
 

circuitpython_uplot/shade.py

@@ -100,7 +100,7 @@ def __init__(
             plot._plotbitmap,
             min(xnorm),
             min(y1norm),
-            max(xnorm),
+            max(xnorm) + 1,
             max(y2norm),
             plot._index_colorused,
         )

docs/examples.rst

@@ -84,8 +84,8 @@ Scatter using different datasets
 
 Example showing how to use different datasets
 
-.. literalinclude:: ../examples/scatter.py
-    :caption: examples/scatter.py
+.. literalinclude:: ../examples/scatter_using_different_datasets.py
+    :caption: examples/scatter_using_different_datasets.py
     :lines: 5-
 .. image:: ../docs/scatter_using_different_datasets.jpg