\xampp\htdocs\advanced\composer.json

"require": { "php": ">=5.4.0", "yiisoft/yii2": ">=2.0.6", "yiisoft/yii2-bootstrap": "", "yiisoft/yii2-swiftmailer": "", "sarikayabtl/blog":"dev-master" },

\xampp\htdocs\advanced\backend\config\main-local.php
 $config = [
    'modules' => [
        'blog' => [
            'class' => 'sarikayabtl\mesaj\Module',
        ],
    ],