add language declaration and samples for LoomScript

LoomScript is the scripting language for the Loom SDK.
It has an ActionScript3-like syntax with added C#-esque capabilities.

Loom SDK: https://github.com/LoomSDK/LoomSDK

samples/LoomScript/HelloWorld.ls

@@ -0,0 +1,38 @@
+package
+{
+    import loom.Application;
+    import loom2d.display.StageScaleMode;
+    import loom2d.ui.SimpleLabel;
+
+    /**
+    The HelloWorld app renders a label with its name on it,
+    and traces 'hello' to the log.
+    */
+    public class HelloWorld extends Application
+    {
+
+        override public function run():void
+        {
+            stage.scaleMode = StageScaleMode.LETTERBOX;
+            centeredMessage(simpleLabel, this.getFullTypeName());
+
+            trace("hello");
+        }
+
+        // a convenience getter that generates a label and adds it to the stage
+        private function get simpleLabel():SimpleLabel
+        {
+            return stage.addChild(new SimpleLabel("assets/Curse-hd.fnt")) as SimpleLabel;
+        }
+
+        // a utility to set the label's text and then center it on the stage
+        private function centeredMessage(label:SimpleLabel, msg:String):void
+        {
+            label.text = msg;
+            label.center();
+            label.x = stage.stageWidth / 2;
+            label.y = (stage.stageHeight / 2) - (label.height / 2);
+        }
+
+    }
+}