Update DB seeding to Laravel 8

database/seeders/DatabaseSeeder.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace Database\Seeders;
+
+use Illuminate\Database\Seeder;
+
+class DatabaseSeeder extends Seeder
+{
+    /**
+     * Seed the application's database.
+     *
+     * @return void
+     */
+    public function run()
+    {
+		$this->call([
+			CurrencyTableSeeder::class,
+			CountryTableSeeder::class,
+			LanguageTableSeeder::class,
+			SiteTableSeeder::class,
+			UserTableSeeder::class,
+		]);
+    }
+}