✨(frontend) add missing aria-label to add sub-doc button for a11y

improves screen reader support for the add sub-doc action in the document tree

Signed-off-by: Cyril <c.gromoff@gmail.com>

CHANGELOG.md

@@ -6,6 +6,11 @@ and this project adheres to
 
 ## [Unreleased]
 
+### Changed
+
+- ♿(frontend) improve accessibility:
+  - ♿ add missing aria-label to add sub-doc button for accessib… #1480
+
 ## [3.8.0] - 2025-10-14
 
 ### Added

src/frontend/apps/impress/src/features/docs/doc-tree/components/DocTreeItemActions.tsx

@@ -178,6 +178,7 @@ export const DocTreeItemActions = ({
               });
             }}
             color="primary"
+            aria-label={t('Add a sub page')}
             data-testid="doc-tree-item-actions-add-child"
           >
             <Icon