Release v0.9.3-1

Resolves #25
Thanks to @auwe for pointing this out!

Apparently the gzip feature hasn't made it into the previous release in its final form. That's been "fixed" as well.

What's Changed

• Gzip webserver by @Neuroquila-n8fall in #19
• Update issue templates by @Neuroquila-n8fall in #20
• Create CONTRIBUTING.md by @Neuroquila-n8fall in #21

Full Changelog: v0.9.3...v0.9.3-1