add dashboard mailbox, added usage log, pending-switch email, mailbox history, email history

app/Models/UsageLog.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class UsageLog extends Model
+{
+    protected $fillable = [
+        'user_id',
+        'ip_address',
+        'emails_created_count',
+        'emails_received_count',
+        'emails_created_history',
+        'emails_received_history',
+    ];
+
+    protected $casts = [
+        'emails_created_history' => 'array',
+        'emails_received_history' => 'array',
+    ];
+
+}