add migration file for password_resets table

database/migrations/2018_08_06_104109_create_password_resets_table.php

@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class CreatePasswordResetsTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('password_resets', function (Blueprint $table) {
+            $table->string('email')->index();
+            $table->string('token');
+            $table->timestamp('created_at')->nullable();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('password_resets');
+    }
+}