Fixes #265: Mentioned adjusing environments config in docs [skip ci]
Fixes #265: Mentioned adjusing environments config in docs [skip ci]

yiisoft/yii2-app-advanced,dmitry-kulikov/yii2-app-advanced,erycamel/yii2-app-advanced,yiisoft/yii2-app-advanced,yiijan/yii2-app-advanced,githubjeka/yii2-app-advanced,erycamel/yii2-app-advanced,dmitry-kulikov/yii2-app-advanced,yiijan/yii2-app-advanced,githubjeka/yii2-app-advanced