Add Windows runner files for high DPI support and console output

- Created runner.exe.manifest to enable DPI awareness and dark mode support.
- Implemented utility functions in utils.cpp and utils.h for console creation and command line argument handling.
- Developed Win32Window class in win32_window.cpp and win32_window.h to manage high DPI-aware windows, including theme updates and message handling.

lib/main.dart

@@ -0,0 +1,9 @@
+import 'package:flutter/material.dart';
+import 'package:notas/app.dart';
+import 'package:notas/platform/window_bootstrap.dart';
+
+void main() async {
+  WidgetsFlutterBinding.ensureInitialized();
+  await bootstrapWindow();
+  runApp(const NotesApp());
+}