change dlogin in web.php and added web push subscription model file

app/Models/WebPushSubscription.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class WebPushSubscription extends Model
+{
+    protected $table = 'push_subscriptions';
+
+    protected $fillable = [
+        'subscribable_type',
+        'subscribable_id',
+        'endpoint',
+        'public_key',
+        'auth_token',
+        'content_encoding',
+    ];
+}