feat(plg,upc): add servermodel

dynamix.unraid.net.plg

@@ -1265,6 +1265,7 @@ if (!window.Vue) {
       displaydesc="<?=($display['headerdescription']!='no') ? 'true' : ''?>"
       expiretime="<?=1000*($var['regTy']=='Trial'||strstr($var['regTy'],'expired')?$var['regTm2']:0)?>"
       serverdesc="<?=$var['COMMENT']?>"
+      servermodel="<?=$var['SYS_MODEL']?>"
       serverstate="<?=rawurlencode(json_encode($serverstate, JSON_UNESCAPED_SLASHES))?>"
       textcolor="<?=($header) ? '#'.$header : ''?>"
       theme="<?=$display['theme']?>"