add support for mustache templates
add support for mustache templates

varnish/zipnish,varnish/zipnish,varnish/zipnish,varnish/zipnish,varnish/varnish-microservice-monitor,varnish/varnish-microservice-monitor,varnish/varnish-microservice-monitor,varnish/zipnish,varnish/varnish-microservice-monitor,varnish/varnish-microservice-monitor