Soziel icons in the title list

Hi I have now shown the ficebook icon of the social list in the title. It works out. But not exactly as I imagine. For example, when I enter Facebook, it starts on the same page. I want to start external links with a new page. Unfortunately you cannot select this in the menu. I created my social menu in the footer and in the sidebar. Now the symbols from the design fit together and I can save the desired functions. I was now able to add links to Google Maps or Vcard there. There is still room for improvement that you can add links to the social media list yourself. You can view it here: https://speiser-beschriftungen.ch. It would be nice if I could add my icons and functions to the main list. Is that possible and how? Thanks for the help. To greet Heinz