Add gleamson json library to JSON section

[atesbazi]

A pure-Gleam JSON library. A transparent value tree, combinator decoders that accumulate every error, and the very same behaviour on Erlang and JavaScript.

[lpil]

Hello! The code looks like it would be very slow compared to gleam_json. Have you benchmarks for parsing and for creating JSON? On both Erlang and JavaScript.

What would you say is the motivation for use to have a second JSON package on the list?

[atesbazi]

Hi Louis, First of all, this is my hobby project. No benchmarks yet , and gleamson is pure Gleam, so it will almost certainly be slower than gleam_json, *Speed wasn't really the goal. * It was an exploration of a different shape: a transparent Json value you can pattern-match and walk, the same behaviour and the same positioned parse errors on both targets, plus a few things built in — pretty-printing, merge (RFC 7386). I'll put together real benchmarks against gleam_json in my free time :) I'll try to keep you informed whenever I have time. thank you for taking a look. Mehmet Âkif Yıldız

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[lpil]

Lovely!