refactor: split nav config into files

[hazel-nut]

Description

splits the navigation in our config into files by language to make it easier to edit and manage.

References

see https://www.mintlify.com/docs/organize/settings#split-configuration-with-%24ref

Testing

build site and see that all the nav is the same.

Checklist

• I've read and followed CONTRIBUTING.md.
• I've tested the site build for this change locally.
• I've made appropriate docs updates for any code or config changes.
• I've coordinated with the Product Docs and/or Docs Management team about non-trivial changes.

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Project	Status	Preview	Updated (UTC)
auth0	🟢 Ready	View Preview	Apr 21, 2026, 2:57 PM

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[mikemimik]

Love this change, however we've got a work item in our backlog to take care of this. This change needs to be coordinated with our content pipeline to make sure nothing breaks.

[hazel-nut]

@mikemimik was just typing a message to send this to your team and ask about the content generation for the events catalog / APIs / etc. i'd really like to get this in to make some immediate IA work more manageable. :)