Lith

I discovered the following pages and add some conf line accordingly. ``` # https://miteshshah.github.io/linux/nginx/how-to-setup-separate-nginx-fastcgi-cache-for-mobile-and-desktop-users/ # https://serverfault.com/questions/150057/nginx-caching-per-user-agent set $mobile_request 'desktop'; if ($http_user_agent ~* '(iPhone|iPod|mobile|Android|2.0\ MMP|240x320|AvantGo|BlackBerry|Blazer|Cellphone|Danger|DoCoMo|Elaine/3.0|EudoraWeb|hiptop|IEMobile)') { set $mobile_request 'mobile'; } #...