feat(email-blast): tambahkan job untuk mengirim email blast

- Membuat kelas SendEmailBlast yang mengimplementasikan ShouldQueue.
- Menyediakan konstruktor untuk menerima riwayat email blast dan daftar penerima.
- Mengirim email menggunakan EmailBlastMail untuk setiap penerima.
- Memperbarui status riwayat email blast setelah pengiriman selesai.

app/Jobs/SendEmailBlast.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace Modules\Webstatement\Jobs;
+
+use Illuminate\Bus\Queueable;
+use Illuminate\Contracts\Queue\ShouldQueue;
+use Illuminate\Foundation\Bus\Dispatchable;
+use Illuminate\Queue\InteractsWithQueue;
+use Illuminate\Queue\SerializesModels;
+use Illuminate\Support\Facades\Mail;
+use Modules\Webstatement\Models\EmailBlastHistory;
+use Modules\Webstatement\Mail\EmailBlastMail;
+
+class SendEmailBlast implements ShouldQueue
+{
+    use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;
+
+    protected $emailBlastHistory;
+    protected $recipients;
+
+    public function __construct(EmailBlastHistory $emailBlastHistory, array $recipients)
+    {
+        $this->emailBlastHistory = $emailBlastHistory;
+        $this->recipients = $recipients;
+    }
+
+    public function handle()
+    {
+        foreach ($this->recipients as $recipient) {
+            Mail::to($recipient)->send(new EmailBlastMail($this->emailBlastHistory));
+        }
+
+        $this->emailBlastHistory->update(['status' => 'completed']);
+    }
+}