add reverb container, unread attribute in notification pivot table and private channel and event for new register

app/Events/UserCreated.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace App\Events;
+
+use App\Models\User;
+use Illuminate\Broadcasting\Channel;
+use Illuminate\Broadcasting\InteractsWithSockets;
+use Illuminate\Broadcasting\PrivateChannel;
+use Illuminate\Contracts\Broadcasting\ShouldBroadcastNow;
+use Illuminate\Foundation\Events\Dispatchable;
+use Illuminate\Queue\SerializesModels;
+
+class UserCreated implements ShouldBroadcastNow
+{
+    use Dispatchable, InteractsWithSockets, SerializesModels;
+
+
+    public $user;
+
+    /**
+     * Create a new event instance.
+     */
+    public function __construct(User $user)
+    {
+        $this->user = $user;
+    }
+
+    /**
+     * Get the channels the event should broadcast on.
+     *
+     * @return array<int, \Illuminate\Broadcasting\Channel>
+     */
+    public function broadcastOn(): array
+    {
+        return [
+            new privateChannel('admins-private'),
+        ];
+    }
+
+    public function broadcastAs()
+    {
+        return 'user.created';
+    }
+}