first implementation finished

app/lib/presentation/hooks/overlay_portal_controller.dart

@@ -0,0 +1,27 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_hooks/flutter_hooks.dart';
+
+OverlayPortalController useOverlayPortalController() {
+  return use(const _OverlayPortalControllerHook());
+}
+
+class _OverlayPortalControllerHook extends Hook<OverlayPortalController> {
+  const _OverlayPortalControllerHook();
+
+  @override
+  HookState<OverlayPortalController, Hook<OverlayPortalController>>
+      createState() {
+    return _OverlayPortalControllerHookState();
+  }
+}
+
+class _OverlayPortalControllerHookState
+    extends HookState<OverlayPortalController, _OverlayPortalControllerHook> {
+  late final controller = OverlayPortalController();
+
+  @override
+  OverlayPortalController build(BuildContext context) => controller;
+
+  @override
+  String get debugLabel => 'useOverlayPortalController';
+}