Docs: Add documentation for Explore Query Inspector (#27035)

* Docs: Add documentation for Explore Query Inspector

docs/sources/features/explore/index.md

@@ -274,3 +274,11 @@ Simply clicking the button will return you to the origin dashboard, or, if you'd
 the arrow next to the button to reveal a "Return to panel with changes" menu item.
 
 {{< docs-imagebox img="/img/docs/v64/explore_return_dropdown.png" class="docs-image--no-shadow" caption="Screenshot of the expanded explore return dropdown" >}}
+
+## Query inspector
+
+To help with debugging queries, Explore allows you to investigate query requests and responses, as well as query statistics, via the Query inspector.
+This functionality is similar to the panel inspector [Stats tab]({{< relref "../../panels/inspect-panel.md#inspect-query-performance" >}}) and
+[Query tab]({{< relref "../../panels/inspect-panel.md##view-raw-request-and-response-to-data-source" >}}).
+
+{{< docs-imagebox img="/img/docs/v71/query_inspector_explore.png" class="docs-image--no-shadow" caption="Screenshot of the query inspector button in Explore" >}}