feat(event): add per-user date change notices

app/Domains/Event/Resources/EventDateNoticeResource.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace App\Domains\Event\Resources;
+
+use Illuminate\Http\Request;
+use Illuminate\Http\Resources\Json\JsonResource;
+
+class EventDateNoticeResource extends JsonResource
+{
+    /** @return array<string, mixed> */
+    public function toArray(Request $request): array
+    {
+        return [
+            'type' => $this->resource['type'],
+            'change_ids' => $this->resource['change_ids'],
+            'title' => $this->resource['title'],
+            'message' => $this->resource['message'],
+        ];
+    }
+}