initialize Flutter project structure and add essential configuration files

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -0,0 +1,22 @@
+//
+//  Generated file. Do not edit.
+//
+
+import FlutterMacOS
+import Foundation
+
+import device_info_plus
+import file_picker
+import irondash_engine_context
+import path_provider_foundation
+import shared_preferences_foundation
+import super_native_extensions
+
+func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
+  DeviceInfoPlusMacosPlugin.register(with: registry.registrar(forPlugin: "DeviceInfoPlusMacosPlugin"))
+  FilePickerPlugin.register(with: registry.registrar(forPlugin: "FilePickerPlugin"))
+  IrondashEngineContextPlugin.register(with: registry.registrar(forPlugin: "IrondashEngineContextPlugin"))
+  PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))
+  SharedPreferencesPlugin.register(with: registry.registrar(forPlugin: "SharedPreferencesPlugin"))
+  SuperNativeExtensionsPlugin.register(with: registry.registrar(forPlugin: "SuperNativeExtensionsPlugin"))
+}