scalaVersion := "2.12.4"
scalacOptions ++= Seq("-feature", "-language:postfixOps")
addSbtPlugin("org.scala-sbt" % "sbt-houserules" % "0.3.6")
addSbtPlugin("org.scala-sbt" % "sbt-contraband" % "0.4.0")
addSbtPlugin("de.heikoseeberger" % "sbt-header" % "3.0.2")
addSbtPlugin("com.eed3si9n" % "sbt-buildinfo" % "0.8.0")