add devzat chat server

roles/chat/files/devzat

@@ -0,0 +1,20 @@
+#!/bin/sh
+
+. /etc/rc.subr
+
+name=devzat
+rcvar=devzat_enable 
+
+start_cmd="${name}_start"
+stop_cmd=":"
+
+load_rc_config $name 
+: ${devzat_enable:=no} 
+: ${devzat_config="/usr/local/etc/devzat.yml"}
+: ${devzat_daemon="/usr/local/sbin/devzat"}
+
+devzat_start() {
+    DEVZAT_CONFIG="${devzat_config}" ${devzat_daemon}
+}
+
+run_rc_command "$1"