added a little sample maven project to test out the JS maven plugin (its not quite working yet :)

libraries/examples/js-example/src/test/kotlin/sample/SampleTest.kt

@@ -0,0 +1,9 @@
+package test.sample
+
+import org.junit.Test
+
+class SampleTest {
+    Test fun dummy(): Unit {
+
+    }
+}