Feature/manga migration (#536)

* Add "migration" tab to "Browse" screen

* Add missing useEffect cleanup for navbar title and actions

* Make "SourceGridLayout" reusable

* Add migration tab to "Browse"

* Add migration logic

src/screens/Settings.tsx

@@ -43,6 +43,11 @@ export function Settings() {
     useEffect(() => {
         setTitle(t('settings.title'));
         setAction(null);
+
+        return () => {
+            setTitle('');
+            setAction(null);
+        };
     }, [t]);
 
     const { darkTheme, setDarkTheme } = useContext(DarkTheme);
@@ -68,7 +73,7 @@ export function Settings() {
                 <ListItemIcon>
                     <ListAltIcon />
                 </ListItemIcon>
-                <ListItemText primary={t('category.title.categories')} />
+                <ListItemText primary={t('category.title.category_other')} />
             </ListItemLink>
             <ListItemLink to="/settings/defaultReaderSettings">
                 <ListItemIcon>