DocumentRoot /home/slonik/localhost/www
'request' => [
'cookieValidationKey' => 'K8kLq_yVLHqBBkEFlqTeRQ2eCOBHkrJO',
'baseUrl' =>'/test1',
],
'' => 'site/index',
'<_a:[\w\-]+>' => 'site/<_a>',
'rules' => [
'' => 'site/index',
'about' => 'site/about'
// или можно попробовать так
//'<_a:(about|contact)>' => 'site/<_a>'
],