What is the path to the home page for kibana 6.8? I want to add navbar without using iframe. Is that event possible?

I am trying to create navbar on kibana 6.8
I have already done it using iframe with the help of node.

I want to edit the source code and add the nav bar.

Thanks

Is this what you were looking for? https://github.com/elastic/kibana/tree/6.8/src/ui/ui_nav_links