SWDEV-541514 - Docs update 2025-09-15 (#993)

Co-authored-by: Julia Jiang <56359287+jujiang-del@users.noreply.github.com>

projects/hip/docs/sphinx/_toc.yml.in

@@ -7,6 +7,7 @@ root: index
 subtrees:
 - entries:
   - file: what_is_hip
+  - file: hip-7-changes
   - file: faq
 
 - caption: Install