restore composer.json, add mysqli extension

database/migrations/2020_06_15_232416_create_firebases_table.php

@@ -0,0 +1,37 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class CreateFirebasesTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('firebases', function (Blueprint $table) {
+            $table->id();
+            $table->unsignedBigInteger('user_id')->nullable();
+            $table->string('token');
+            $table->string('device_id');
+            $table->string('device_name');
+            $table->string('device_type');
+
+//            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('firebases');
+    }
+}