DOC: Plotting / Visualization without Jupyter (#47948)

* Update visualization.rst

Added a note at the top of the page clarifying that the examples assume you're working jupyter.

* Update doc/source/user_guide/visualization.rst

* capitalise Jupyter

Co-authored-by: Marco Edward Gorelli <[email protected]>

Author: tpackard1

doc/source/user_guide/visualization.rst

@@ -6,6 +6,11 @@
 Chart visualization
 *******************
 
+
+.. note::
+
+   The examples below assume that you're using `Jupyter <https://jupyter.org/>`_.
+
 This section demonstrates visualization through charting. For information on
 visualization of tabular data please see the section on `Table Visualization <style.ipynb>`_.