Changes
- drop Scala 2.11 support
- upgrade to Play-JSON 2.8
🛠️ Maintenance
- Update sbt-bintray to 0.5.6 @scala-steward (#14)
- Update sbt-header to 5.4.0 @scala-steward (#12)
- Update refined, refined-scalacheck to 0.9.12 @scala-steward (#13)
- Update plugins @avdv (#10)