How can I add the widget or list of languages with bogo to mail manu or header?

Hello guys. I have a question. How to insert a language selection button in the menu? There is a short code for a language switcher. If this is problematic, then at least insert the whole thing into the header of the site. I would be glad to implement all this in the form of a drop-down list or language icons. My theme does not support editing widgets in the header. That’s why I temporarily created your widget in the Side menu section. But this side menu is inconvenient, since when choosing a language it covers the entire window. I use WordPress and the Photograph theme. Maybe you have some HTML code for me to insert into the header section of the site? Thank you in advance.

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