snipe-it/database/migrations/2018_06_21_134622_add_version_footer.php

<?php
use Illuminate\Support\Facades\Schema;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Database\Migrations\Migration;
class AddVersionFooter extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::table('settings', function (Blueprint $table) {
            $table->char('version_footer', 5)->nullable()->default('on');
        });
    }
    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::table('settings', function (Blueprint $table) {
            $table->dropColumn('version_footer');
        });
    }
}