enhance documentation for KML file creation examples with additional …

…context for visualizations

docs/create_kml_files.rst

@@ -12,6 +12,8 @@ This example shows how to read a shapefile and build a 3D KML visualization from
     :width: 800px
     :target: https://ion.cesium.com/stories/viewer/?id=a3cf93bb-bbb8-488b-8643-09c037ec12b8
 
+(click on the image to see the KML visualization in Cesium Ion)
+
 You will need to install `pyshp <https://pypi.org/project/pyshp/>`_ (``pip install pyshp``).
 
 For this example we will use the
@@ -128,6 +130,8 @@ create a KML file that shows the CO2 emissions accumulating from 1995 to 2022.
     :width: 800px
     :target: https://ion.cesium.com/stories/viewer/?id=602c8c64-72aa-4c57-8a01-752b6fbc62d0
 
+(click on the image to see the full visualization in Cesium Ion)
+
 First we import the necessary modules:
 
 .. code-block:: pycon