v0.5.4

What's Changed

• GCP deployment, fly.io as of right not is not 100% relaible

• Update README.md by @mpiorowski in #19
• Update README.md by @mpiorowski in #20
• Update README.md by @mpiorowski in #21
• test performance by @mpiorowski in #22

Full Changelog: v0.4.0...v0.5.4