feat(admin): cleanup page — remove 'Fichiers temporaires' level, promote sections to h2 TOC entries

app/public/admin/README.md

@@ -11,7 +11,7 @@ the XAMXAM TFE database.
 | `add.php` | Add new thesis form |
 | `edit.php` | Existing thesis form |
 | `recapitulatif.php` | Post-submission recap |
-| `cleanup.php` | Orphaned-draft / storage cleanup |
+| `cleanup.php` | Cleanup page (Corbeille — restore/delete trashed files) |
 | `system.php` | System dashboard (logs, SMTP/PeerTube status) |
 | `contenus.php` | Editable content (pages, contacts) |
 | `contenus-edit.php` | Edit a content page |