Initial draft conversion

Author: ERSUCC

build.sbt

@@ -5,7 +5,7 @@ enablePlugins(NetLogoExtension, ExtensionDocumentationPlugin)
 version    := "0.5.5"
 isSnapshot := true
 
-scalaVersion          := "2.12.12"
+scalaVersion          := "2.13.16"
 Test / scalaSource    := baseDirectory.value / "src" / "test"
 Compile / scalaSource := baseDirectory.value / "src" / "main"
 scalacOptions        ++= Seq("-unchecked", "-deprecation", "-feature", "-Xfatal-warnings", "-Xlint", "-release", "11")