restore composer.json, add mysqli extension

database/seeders/CurrenciesTableSeeder.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace Database\Seeders;
+
+use Illuminate\Database\Seeder;
+use App\Models\Currency;
+
+class CurrenciesTableSeeder extends Seeder
+{
+    /**
+     * Run the database seeds.
+     *
+     * @return void
+     */
+    public function run()
+    {
+        Currency::create([
+            'euro' => 11500,
+            'dollar' => 10280,
+            'sum' => 1
+        ]);
+    }
+}