Add Trash/Shares/Recent tabs, file sharing, Details sheet, and rebrand to Noo

Major additions since the initial rebuild:
- New tabs: Trash, Shares, Recent, configurable tab visibility/order/default
- Nextcloud sharing: search users/teams, internal link, email shares,
  public links, "others with access" - in its own Share bottom sheet
- Details bottom sheet (Info/Versions/Activity) with a persistent peek
  panel in the media viewer, reachable from selection, swipe, and the
  media viewer
- Files/Photos: tap-and-hold multi-select with a sticky selection toolbar,
  swipe actions (favorite/delete/share), sticky sort/filter controls,
  list/grid views, breadcrumb chips, whole-account Photos view
- Media viewer: pinch/double-tap zoom on images, predictive-back support,
  fixed PDF zoom-out floor
- Settings: Material You theming incl. AMOLED black, configurable bottom
  bar tabs, swipe actions, media seek bar style, and folder-listing cache
  policy (never/periodic/manual) to cut down on refetching
- Login flow moved to an in-app Chrome Custom Tab with retry-tolerant
  polling
- Replaced ad hoc widgets with native Material 3 equivalents (toggle
  IconButtons, SliverAppBar selection toolbar, SearchBar, drag handles)
- Rebrand: app renamed to Noo throughout, package id -> dev.ayushya.noo,
  new adaptive launcher icon

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

test/widget_test.dart

@@ -1,16 +1,35 @@
+import 'package:flutter/services.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:google_fonts/google_fonts.dart';
 import 'package:provider/provider.dart';
-import 'package:nextcloud_client/main.dart';
-import 'package:nextcloud_client/providers/server_provider.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+import 'package:noo/main.dart';
+import 'package:noo/providers/server_provider.dart';
 
 void main() {
+  const secureStorageChannel = MethodChannel(
+    'plugins.it_nomads.com/flutter_secure_storage',
+  );
+
+  setUpAll(() {
+    GoogleFonts.config.allowRuntimeFetching = false;
+    SharedPreferences.setMockInitialValues({});
+    TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
+        .setMockMethodCallHandler(secureStorageChannel, (call) async {
+          if (call.method == 'readAll') return <String, String>{};
+          return null;
+        });
+  });
+
   test('ServerProvider initializes unauthenticated', () {
     final provider = ServerProvider();
     expect(provider.isLoggedIn, false);
     expect(provider.items.isEmpty, true);
   });
 
-  testWidgets('App renders LoginView when not logged in', (WidgetTester tester) async {
+  testWidgets('App renders LoginView when not logged in', (
+    WidgetTester tester,
+  ) async {
     final provider = ServerProvider();
 
     await tester.pumpWidget(
@@ -21,10 +40,8 @@ void main() {
     );
     await tester.pumpAndSettle();
 
-    expect(find.text('Nextcloud Client'), findsOneWidget);
+    expect(find.text('Noo'), findsOneWidget);
     expect(find.text('Server Address'), findsOneWidget);
-    expect(find.text('Username'), findsOneWidget);
-    expect(find.text('Password or App Password'), findsOneWidget);
-    expect(find.text('Log In'), findsOneWidget);
+    expect(find.text('Continue'), findsOneWidget);
   });
 }