feat: 초기 프로젝트 설정 및 LunchPick 앱 구현

LunchPick(오늘 뭐 먹Z?) Flutter 앱의 초기 구현입니다.

주요 기능:
- 네이버 지도 연동 맛집 추가
- 랜덤 메뉴 추천 시스템
- 날씨 기반 거리 조정
- 방문 기록 관리
- Bluetooth 맛집 공유
- 다크모드 지원

기술 스택:
- Flutter 3.8.1+
- Riverpod 상태 관리
- Hive 로컬 DB
- Clean Architecture

🤖 Generated with Claude Code

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

windows/runner/flutter_window.h

@@ -0,0 +1,33 @@
+#ifndef RUNNER_FLUTTER_WINDOW_H_
+#define RUNNER_FLUTTER_WINDOW_H_
+
+#include <flutter/dart_project.h>
+#include <flutter/flutter_view_controller.h>
+
+#include <memory>
+
+#include "win32_window.h"
+
+// A window that does nothing but host a Flutter view.
+class FlutterWindow : public Win32Window {
+ public:
+  // Creates a new FlutterWindow hosting a Flutter view running |project|.
+  explicit FlutterWindow(const flutter::DartProject& project);
+  virtual ~FlutterWindow();
+
+ protected:
+  // Win32Window:
+  bool OnCreate() override;
+  void OnDestroy() override;
+  LRESULT MessageHandler(HWND window, UINT const message, WPARAM const wparam,
+                         LPARAM const lparam) noexcept override;
+
+ private:
+  // The project to run.
+  flutter::DartProject project_;
+
+  // The Flutter instance hosted by this window.
+  std::unique_ptr<flutter::FlutterViewController> flutter_controller_;
+};
+
+#endif  // RUNNER_FLUTTER_WINDOW_H_