addSbtPlugin("org.scala-sbt" % "sbt-houserules" % "0.3.8") addSbtPlugin("com.lucidchart" % "sbt-scalafmt" % "1.15") addSbtPlugin("org.scala-sbt" % "sbt-contraband" % "0.4.2") addSbtPlugin("com.lightbend" % "sbt-whitesource" % "0.1.9") scalacOptions += "-language:postfixOps"