Enable gzip compression for API

[uok]

Hello,

Please enable gzip compression for API (latest.json)
original: 1.5 MB
compressed: 368 KB
savings: ~75 %

Thanks!

[Zaczero]

@ColinTalksCrypto I think it's something with your FTP/web server settings—some toggle under compression. Ideally, we would support all modern defaults: zstd, brotli, and gzip.