[Yii2] Activation de Gii.

1/ Activation de Gii.
Ouvrir :

common/config/main-local.php

Remplacer tout par :

 [
        'db' => [
            'class' => 'yii\db\Connection',
            'dsn' => 'mysql:host=localhost;dbname=gitgame',
            'username' => 'root',
            'password' => 'mot2passe',
            'charset' => 'utf8',
        ],
        'mailer' => [
            'class' => 'yii\swiftmailer\Mailer',
            'viewPath' => '@common/mail',
        ],
    ],
    'bootstrap' => ['gii'],
    'modules' => [
        'gii' => 'yii\gii\Module',
    ],
];

2/ Test depuis le backend.
http://backend.dev/index.php?r=gii