Docs: "7.2 what's new article" updated with images and information about ADX. (#27504)

* Added images for transformation and some extra information about ADX.

* updated the adx text a bit more.!

docs/sources/guides/whats-new-in-v7-2.md

@@ -71,6 +71,8 @@ There is also an update to the labels to fields transform that allow you to pick
 
 The UI for transforms also has an update that now allows you to move transformations up and down.
 
+{{< docs-imagebox img="/img/docs/v72/transformations.gif" max-width="800px" caption="Group by and reordering of transformations" >}}
+
 ## Field override matchers
 
 You can now add override rules that use a regex matcher and overrides that match on field type.
@@ -109,3 +111,9 @@ See [upgrade notes]({{< relref "../installation/upgrading.md" >}}).
 
 Check out [CHANGELOG.md](https://github.com/grafana/grafana/blob/master/CHANGELOG.md) for a complete list of new features, changes, and bug fixes.
 
+## What's new in other parts of the Grafana ecosystem
+
+### ADX (Azure Data Explorer) plugin
+In collaboration with Microsoft we have started to improve the usability of our ADX datasource plugin by adding a visual query builder. The goal is to make it easier for users, regardless of their previous knowledge of writing KQL (Kusto Query Language) queries, to query and visualize their data.
+
+{{< docs-imagebox img="/img/docs/v72/adx-ds.png" max-width="800px" caption="ADX visual query builder" >}}