feat: add json and jsonl formats

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Bencher

Report	Mon, March 18, 2024 at 01:42:27 UTC
Project	theseus-rs/rsql
Branch	add-json-format
Testbed	localhost

Benchmark	Latency	Latency Results nanoseconds (ns)
version	➖ (view plot)	47832000.000

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Codecov Report

Attention: Patch coverage is 88.73239% with 16 lines in your changes are missing coverage. Please review.

Project coverage is 86.51%. Comparing base (9078523) to head (e8eee54).

Files	Patch %	Lines
rsql_core/src/formatters/json.rs	82.02%	16 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #41 +/- ## ========================================== + Coverage 86.46% 86.51% +0.04% ========================================== Files 41 43 +2 Lines 3117 3247 +130 ========================================== + Hits 2695 2809 +114 - Misses 422 438 +16 ```

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