doc: adding feature note for sphinx-data-viewer

Adding a hint that we provided limited support for the
sphinx-data-viewer extension.

Signed-off-by: James Knight <[email protected]>

Author: jdknight

doc/features.rst

@@ -206,6 +206,11 @@ Type                              Notes
 `mlx.traceability`_               Limited support.
 
                                   Formatting of content may not be as expected.
+`sphinx-data-viewer`_             Limited support.
+
+                                  Can render JSON data inside code blocks.
+                                  Content has collapse all data or expand all
+                                  data, but not parts of the data.
 `sphinx-diagrams`_                Supported
 `sphinx-gallery`_                 Supported
 `sphinx-needs`_                   Limited support.
@@ -311,6 +316,7 @@ brings up another concern, feel free to bring up an issue:
 .. _rubric: https://docutils.sourceforge.io/docs/ref/rst/directives.html#rubric
 .. _sections: https://docutils.sourceforge.io/docs/ref/rst/restructuredtext.html#sections
 .. _sphinx-confluence-nbsphinx-test: https://github.com/jdknight/sphinx-confluence-nbsphinx-test
+.. _sphinx-data-viewer: https://sphinx-data-viewer.readthedocs.io/
 .. _sphinx-diagrams: https://pypi.org/project/sphinx-diagrams/
 .. _sphinx-gallery: https://sphinx-gallery.github.io/
 .. _sphinx-needs: https://sphinxcontrib-needs.readthedocs.io/