Adds brief documentation how to check the health (status) of Videobridge through the REST API.
Adds brief documentation how to check the health (status) of Videobridge through the REST API.

matteocampana/jitsi-videobridge,parlaylabs/jitsi-videobridge,jitsi/jitsi-videobridge,matteocampana/jitsi-videobridge,ReadyTalk/jitsi-videobridge,davidertel/jitsi-videobridge,gpolitis/jitsi-videobridge,gpolitis/jitsi-videobridge,davidertel/jitsi-videobridge,bebo/jitsi-videobridge,parlaylabs/jitsi-videobridge,juggernaut/jitsi-videobridge,bebo/jitsi-videobridge,matteocampana/jitsi-videobridge,parlaylabs/jitsi-videobridge,bebo/jitsi-videobridge,davidertel/jitsi-videobridge,jitsi/jitsi-videobridge,ReadyTalk/jitsi-videobridge,jitsi/jitsi-videobridge,juggernaut/jitsi-videobridge,juggernaut/jitsi-videobridge,jitsi/jitsi-videobridge,jitsi/jitsi-videobridge,jitsi/jitsi-videobridge,ReadyTalk/jitsi-videobridge,gpolitis/jitsi-videobridge,jitsi/jitsi-videobridge,parlaylabs/jitsi-videobridge