[v10.4.x] docs: add flame graph play link (#87754)

docs: add flame graph play link (#87498)

(cherry picked from commit 351d36caea)

Co-authored-by: David Allen <david.allen@grafana.com>

docs/sources/panels-visualizations/visualizations/flame-graph/index.md

@@ -39,6 +39,8 @@ Once you’ve created a [dashboard](https://grafana.com/docs/grafana/<GRAFANA_VE
 
 {{< youtube id="VEvK0JkPlOY" >}}
 
+{{< docs/play title="Flame Graphs" url="https://play.grafana.org/d/cdl34qv4zzg8wa/" >}}
+
 ## Supported data formats
 
 To render a flame graph, you must format the data frame data using a _nested set model_.