reorganize and cleanup php server code

server/database/seeders/DatabaseSeeder.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace Database\Seeders;
+
+use Illuminate\Database\Seeder;
+use Illuminate\Database\Eloquent\Model;
+
+class DatabaseSeeder extends Seeder
+{
+    /**
+     * Run the database seeds.
+     *
+     * @return void
+     */
+    public function run()
+    {
+        Model::unguard();
+
+        $this->call(\Database\Seeders\CountriesSeeder::class);
+        $this->call(\Database\Seeders\RolesSeeder::class);
+        $this->call(\Database\Seeders\PermissionsSeeder::class);
+        $this->call(\Database\Seeders\UserSeeder::class);
+
+        Model::reguard();
+    }
+}