initialize Flutter project structure and add essential configuration files

windows/flutter/generated_plugin_registrant.cc

@@ -0,0 +1,17 @@
+//
+//  Generated file. Do not edit.
+//
+
+// clang-format off
+
+#include "generated_plugin_registrant.h"
+
+#include <irondash_engine_context/irondash_engine_context_plugin_c_api.h>
+#include <super_native_extensions/super_native_extensions_plugin_c_api.h>
+
+void RegisterPlugins(flutter::PluginRegistry* registry) {
+  IrondashEngineContextPluginCApiRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("IrondashEngineContextPluginCApi"));
+  SuperNativeExtensionsPluginCApiRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("SuperNativeExtensionsPluginCApi"));
+}