Plugin that adds internationalization
This is the initial plan Type: Plugin
MVP: Create a second route under the language with all the pages. Check for pages in the base and raise an error if base_page doesn't exist.
site_settings:
languages: ['en', 'es', ...]
default_language: 'en'
create a page at the same routes if there is an en page there. It will ignore routes. If the page doesn't exist, default to the default_language and add a variable missing_language eq true.