monitor: the monitor.global.json is under /public directory not /share/public
in https://lab.nexedi.com/nexedi/slapos/blob/master/stack/monitor/templates/monitor-httpd.conf.in there is no such thing as /share/public/ URL
in https://lab.nexedi.com/nexedi/slapos/blob/master/stack/monitor/templates/monitor-httpd.conf.in there is no such thing as /share/public/ URL