Initial commit: SubManager Flutter App

주요 구현 완료 기능:
- 구독 관리 (추가/편집/삭제/카테고리 분류)
- 이벤트 할인 시스템 (기본값 자동 설정)
- SMS 자동 스캔 및 구독 정보 추출
- 알림 시스템 (타임존 처리 안정화)
- 환율 변환 지원 (KRW/USD)
- 반응형 UI 및 애니메이션
- 다국어 지원 (한국어/영어)

버그 수정:
- NotificationService tz.local 초기화 오류 해결
- MainScreenSummaryCard 레이아웃 오버플로우 수정
- 구독 추가 시 LateInitializationError 완전 해결

🤖 Generated with Claude Code

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

.gitignore

@@ -0,0 +1,78 @@
+# Miscellaneous
+*.class
+*.log
+*.pyc
+*.swp
+.DS_Store
+.atom/
+.build/
+.buildlog/
+.history
+.svn/
+.swiftpm/
+migrate_working_dir/
+
+# IntelliJ related
+*.iml
+*.ipr
+*.iws
+.idea/
+
+# The .vscode folder contains launch configuration and tasks you configure in
+# VS Code which you may wish to be included in version control, so this line
+# is commented out by default.
+#.vscode/
+
+# Flutter/Dart/Pub related
+**/doc/api/
+**/ios/Flutter/.last_build_id
+.dart_tool/
+.flutter-plugins
+.flutter-plugins-dependencies
+.pub-cache/
+.pub/
+/build/
+
+# Symbolication related
+app.*.symbols
+
+# Obfuscation related
+app.*.map.json
+
+# Android Studio will place build artifacts here
+/android/app/debug
+/android/app/profile
+/android/app/release
+
+# Added by Claude Task Master
+# Logs
+logs
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+dev-debug.log
+# Dependency directories
+node_modules/
+# Environment variables
+.env
+# Editor directories and files
+.idea
+.vscode
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?
+# OS specific
+# Task files
+tasks.json
+tasks/ 
+
+# Development environment files
+.cluade/
+.cursor/
+.roo/
+.roomodes
+.taskmasterconfig
+.windsurfrules
+cursor_*