docs: update dashboard list visualization (#87494)

* docs: update dashboard list visualization

* docs: add youtube video

* Apply suggestions from code review

Co-authored-by: Isabel Matwawana <76437239+imatwawana@users.noreply.github.com>

* Ran prettier

---------

Co-authored-by: Isabel Matwawana <76437239+imatwawana@users.noreply.github.com>
Co-authored-by: Isabel Matwawana <isabel.matwawana@grafana.com>

docs/sources/panels-visualizations/visualizations/text/index.md

@@ -48,7 +48,11 @@ Use a text visualization when you need to:
 
 {{< docs/shared lookup="visualizations/panel-options.md" source="grafana" version="<GRAFANA_VERSION>" >}}
 
-## Mode
+## Text options
+
+Use the following options to refine your text visualization.
+
+### Mode
 
 **Mode** determines how embedded content appears.