Array values for `description` field in `settings` of Model decorator

[agnes512]

Description

In lb3, we allow to use array to create long descriptions in JSON files inside @model decorator. But this feature is not welcome by groups working on Swagger and OpenAPI specs.

In lb4 docs, this field only supports stings. Do we want array to be supported as well?

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[stale]

This issue has been closed due to continued inactivity. Thank you for your understanding. If you believe this to be in error, please contact one of the code owners, listed in the CODEOWNERS file at the top-level of this repository.