Further migrations to route based navigation, improved saved view logic

lib/routes/typed/branches/saved_views_route.dart

@@ -0,0 +1,25 @@
+import 'package:flutter/src/widgets/framework.dart';
+import 'package:go_router/go_router.dart';
+import 'package:paperless_api/paperless_api.dart';
+import 'package:paperless_mobile/features/saved_view/view/add_saved_view_page.dart';
+
+@TypedGoRoute(path: "/saved-views", routes: [])
+class SavedViewsRoute extends GoRouteData {
+  const SavedViewsRoute();
+}
+
+class CreateSavedViewRoute extends GoRouteData {
+  final DocumentFilter? $extra;
+  const CreateSavedViewRoute(this.$extra);
+
+  @override
+  Widget build(BuildContext context, GoRouterState state) {
+    return AddSavedViewPage(
+      initialFilter: $extra,
+    );
+  }
+}
+
+class EditSavedViewRoute extends GoRouteData {
+  const EditSavedViewRoute();
+}