add tooltups to homepage actions

management/lib/pages/home_page.dart

@@ -33,10 +33,12 @@ class _HomePageState extends State<HomePage> {
           IconButton(
             onPressed: () => Navigator.of(context).pushNamed('/settings'),
             icon: const Icon(Icons.settings),
+            tooltip: 'Einstellungen',
           ),
           IconButton(
             onPressed: _onLogout,
             icon: const Icon(Icons.logout_rounded),
+            tooltip: 'Ausloggen',
           ),
         ],
       ),