v0.3.0

What's Changed

• Technical/Update readme by @bestwebua in #26
• Technical/Update readme by @bestwebua in #27
• Feature/Probe type in response by @bestwebua in #28
• Technical/Update gem version by @bestwebua in #29
• HealthcheckEndpoint v0.3.0 by @bestwebua in #30

Full Changelog: v0.2.0...v0.3.0