Scala language binding lightly-tested and works

examples/bindings/scala/ExampleApp.scala

@@ -0,0 +1,11 @@
+import zerotier.ZeroTier
+
+object ExampleApp extends App {
+
+  System.loadLibrary("zt")
+
+  val libzt = new ZeroTier
+  libzt.ztjni_startjoin("/Users/joseph/op/zt/libzt/ztjni", "1212121212121212")
+  val fd = libzt.ztjni_socket(2, 1, 0)
+  println(s"zts_socket(): $fd")
+}