Add cxyz Android project structure and initial configuration

- Introduced a new Flutter project for the cxyz Android manga/comic reader, including essential files such as pubspec.yaml, AndroidManifest.xml, and Gradle configuration.
- Added .gitignore files to exclude unnecessary files and directories for both the main project and Android-specific files.
- Implemented initial README.md with project description, features, setup instructions, and API details for ComicLand, MangaRead, and MangaTown.
- Configured analysis options and dependencies in pubspec.yaml to support Flutter development.
- Established a pnpm workspace and lockfile for dependency management.
- Included various Android resources such as icons, styles, and launch backgrounds for a complete application setup.

cxyz-android/lib/services/peek_mode.dart

@@ -0,0 +1,16 @@
+import 'package:shared_preferences/shared_preferences.dart';
+
+/// Privacy mode: hide/blur comic covers in lists.
+class PeekMode {
+  static const prefKey = 'peek_mode_enabled';
+
+  static Future<bool> load() async {
+    final prefs = await SharedPreferences.getInstance();
+    return prefs.getBool(prefKey) ?? false;
+  }
+
+  static Future<void> save(bool enabled) async {
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.setBool(prefKey, enabled);
+  }
+}