navbar jumps to different external links depending on the language

[casionone]

how to config navbar jumps to different external links depending on the language
forexample：
click home button jump to https://www.google.com/

click home button jump to https://www.facebook.com after configuration zh language

[slorber]

We don't have a good API to do that, but there's a workaround you can use thanks to the process.env. DOCUSAURUS_CURRENT_LOCALE available in the config file, see #8677