Next js, Strapi cms: adding translation or adding multiple language -- 2

I have the blog already, All you need is to work on next js to add the translation, I want a toggle en-ca and fr-ca as the router, when you click, it changes the language, that's it.

If it's needed, you can follow this link to setup the multilanguage:
https://www.youtube.com/watch?v=TOixZFCwe2U