add items to the upper menu in iNove

my blog is https://www.ezbetgerges.com/blog/ with arabic language
have iNove template (last version)
need to add this pages to the upper menu

1- https://www.ezbetgerges.com/blog/%D8%AA%D8%AC%D9%85%D9%8A%D8%B9%D8%A7%D8%AA-%D9%85%D8%A7%D8%B1%D9%85%D8%B1%D9%82%D8%B3/%D8%A3%D9%85%D8%AB%D8%A7%D9%84-%D8%A7%D9%84%D9%83%D8%AA%D8%A7%D8%A8-%D8%A7%D9%84%D9%85%D9%82%D8%AF%D8%B3-%D9%83%D8%A7%D8%B1%D8%AA%D9%88%D9%86-%D9%84%D9%84%D8%A3%D8%B7%D9%81%D8%A7%D9%84/

2- https://www.ezbetgerges.com/blog/%D8%AA%D8%AC%D9%85%D9%8A%D8%B9%D8%A7%D8%AA-%D9%85%D8%A7%D8%B1%D9%85%D8%B1%D9%82%D8%B3/%D8%A3%D9%85%D8%AB%D8%A7%D9%84-%D8%A7%D9%84%D9%83%D8%AA%D8%A7%D8%A8-%D8%A7%D9%84%D9%85%D9%82%D8%AF%D8%B3-%D9%83%D8%A7%D8%B1%D8%AA%D9%88%D9%86-%D9%84%D9%84%D8%A3%D8%B7%D9%81%D8%A7%D9%84/

and this is the php code of the menu in header.php
[Code moderated as per the Forum Rules. Please use the pastebin]

and add the items i need .. and open any item in the menu .. there is no highlight over the opened (active) item !!

so I need help in adding the items and keep the feature of highlight the active item