restore composer.json, add mysqli extension

database/migrations/2020_09_04_155225_create_previews_table.php

@@ -0,0 +1,45 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class CreatePreviewsTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('previews', function (Blueprint $table) {
+            $table->bigIncrements('id');
+
+            $table->jsonb('name')->nullable();
+            $table->float('price', 18)->default(0);
+            $table->float('price_discount', 18)->nullable();
+
+            $table->string('brand')->nullable();
+            $table->integer('category_id');
+
+            $table->jsonb('characteristics')->nullable();
+
+            $table->boolean('popular')->default(false);
+            $table->boolean('leader_of_sales')->default(false);
+            $table->string('article_number')->nullable();
+
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('previews');
+    }
+}