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/.gitignore

@@ -0,0 +1,86 @@
+# Miscellaneous
+*.class
+*.log
+*.pyc
+*.swp
+.DS_Store
+.atom/
+.build/
+.buildlog/
+.history
+.svn/
+.swiftpm/
+migrate_working_dir/
+
+# IntelliJ / Android Studio
+*.iml
+*.ipr
+*.iws
+.idea/
+
+# VS Code (uncomment to ignore local workspace settings)
+#.vscode/
+
+# Flutter / Dart / Pub
+**/doc/api/
+**/ios/Flutter/.last_build_id
+.dart_tool/
+.flutter-plugins
+.flutter-plugins-dependencies
+.packages
+.pub-cache/
+.pub/
+.fvm/
+build/
+coverage/
+.widget_preview/
+
+# Local analysis / temp HOME used by scripts and tooling
+.tmp-home/
+.tmp/
+
+# Symbolication / obfuscation
+app.*.symbols
+app.*.map.json
+
+# Android build outputs (also covered under android/)
+/android/app/debug
+/android/app/profile
+/android/app/release
+**/android/**/gradle-wrapper.jar
+**/android/.gradle/
+**/android/captures/
+**/android/local.properties
+**/android/**/GeneratedPluginRegistrant.java
+**/android/.cxx/
+
+# Signing — never commit keystores or local key config
+**/android/key.properties
+**/*.keystore
+**/*.jks
+*.apk
+*.aab
+*.ap_
+
+# Secrets / local env
+.env
+.env.*
+!.env.example
+
+# Test / coverage extras
+coverage/
+.test_coverage/
+*.lcov
+
+# Platform ephemeral (if added later)
+**/ios/Pods/
+**/ios/.symlinks/
+**/ios/Flutter/Flutter.framework
+**/ios/Flutter/Flutter.podspec
+**/ios/Flutter/Generated.xcconfig
+**/ios/Flutter/ephemeral/
+**/ios/ServiceDefinitions.json
+**/ios/Runner/GeneratedPluginRegistrant.*
+**/macos/Flutter/ephemeral/
+**/linux/flutter/ephemeral/
+**/windows/flutter/ephemeral/