feat: Implement Windows runner for Flutter application

- Added FlutterWindow class to manage the Flutter view within a Win32 window.
- Created main entry point in main.cpp to initialize and run the Flutter application.
- Implemented utility functions for console attachment and command line argument parsing.
- Added resource management for application icon and manifest.
- Enhanced Win32Window class for DPI awareness and theme management.
- Included necessary headers and resource files for building the Windows runner.

lib/utils/debug_print.dart

@@ -0,0 +1,8 @@
+import 'package:flutter/foundation.dart';
+
+/// Debug print that only outputs in debug builds
+void debugPrint(Object? message) {
+  if (kDebugMode) {
+    debugPrint(message);
+  }
+}