Docs for title-based search in Batch Changes (#1049)

-
https://linear.app/sourcegraph/issue/TM-56/docs-april-2025-batch-changes-title-based-search

Author: MaedahBatool

docs/batch-changes/create-a-batch-change.mdx

@@ -180,6 +180,14 @@ You can view a list by clicking the **Batch Changes** icon in the top navigation
 
 ![batch-change-icon-to-view](https://sourcegraphstatic.com/docs/images/batch_changes/2024/batch_changes_icon_in_menu.png)
 
+### Title-based search
+
+You can search through your previously created batch changes by title. This search experience makes it much easier to find the batch change you’re looking for, especially when you have large volumes of batch changes to monitor.
+
+Start typing the keywords that match the batch change’s title, and you will see a list of relevant results.
+
+![title-based-search-batch-changes](https://storage.googleapis.com/sourcegraph-assets/Docs/title-based-search-bc.png)
+
 ## Filtering Batch Changes
 
 You can also use the filters to switch between showing all open or closed Batch Changes.