新增阅读器功能，待优化

windows/flutter/generated_plugin_registrant.cc

@@ -0,0 +1,26 @@
+//
+//  Generated file. Do not edit.
+//
+
+// clang-format off
+
+#include "generated_plugin_registrant.h"
+
+#include <file_selector_windows/file_selector_windows.h>
+#include <flutter_inappwebview_windows/flutter_inappwebview_windows_plugin_c_api.h>
+#include <permission_handler_windows/permission_handler_windows_plugin.h>
+#include <share_plus/share_plus_windows_plugin_c_api.h>
+#include <url_launcher_windows/url_launcher_windows.h>
+
+void RegisterPlugins(flutter::PluginRegistry* registry) {
+  FileSelectorWindowsRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("FileSelectorWindows"));
+  FlutterInappwebviewWindowsPluginCApiRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("FlutterInappwebviewWindowsPluginCApi"));
+  PermissionHandlerWindowsPluginRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("PermissionHandlerWindowsPlugin"));
+  SharePlusWindowsPluginCApiRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("SharePlusWindowsPluginCApi"));
+  UrlLauncherWindowsRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("UrlLauncherWindows"));
+}