monitor: add generic title

stack/monitor/instance-monitor.cfg.jinja2.in

@@ -116,6 +116,7 @@ wrapper = ${directory:services}/monitor-httpd
 recipe = slapos.cookbook:zero-knowledge.write
 filename = ${monitor-directory:etc}/monitor.conf
 
+title = ${slap-parameter:monitor-title}
 public-folder = ${monitor-directory:public}
 private-folder = ${monitor-directory:private}
 web-folder = ${monitor-static-web:web-dir}
@@ -202,6 +203,9 @@ curl_path = {{ curl_executable_location }}
 recipe = slapos.cookbook:publish
 monitor_url_v6 = ${monitor-httpd-conf:url}
 
+[slap-parameter]
+monitor-title = Monitoring interface
+
 [buildout]
 parts =
   cron-entry-logrotate