* Add toPrettyJson method to collections

* Code style fixes

* Add toPrettyJson to Eloquent Model

* Add toPrettyJson to JsonResource

* Add toPrettyJson to CursorPaginator, LengthAwarePaginator and Paginator

* Add toPrettyJson to Fluent

* Add toPrettyJson to MessageBag

* formatting

* Fix issue for test

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Co-authored-by: Taylor Otwell <taylor@laravel.com>