docs: Link to "scope: sub-tasks and super-tasks" issues & discussions

Author: claremacrae

docs/Queries/About Queries.md

@@ -105,6 +105,11 @@ By default, the result list will list tasks unindented.
 > ![Sample search results with 'show tree' instruction](../images/show-tree.png)
 <span class="caption">Sample search results with 'show tree' instruction</span>
 
+You can see related feature requests in:
+
+- ["scope: sub-tasks and super-tasks" Issues](https://github.com/obsidian-tasks-group/obsidian-tasks/issues?q=is%3Aopen%20label%3A%22scope%3A%20sub-tasks%20and%20super-tasks%22%20is%3Aissue%20)
+- ["scope: sub-tasks and super-tasks" Discussions](https://github.com/obsidian-tasks-group/obsidian-tasks/discussions/categories/ideas-any-new-feature-requests-go-in-issues-please?discussions_q=is%3Aopen+label%3A%22scope%3A+sub-tasks+and+super-tasks%22+category%3A%22Ideas%3A+Any+New+Feature+Requests+go+in+Issues+please%22+sort%3Atop)
+
 ### Footnotes are not displayed in query results
 
 > [!warning]