Add X++ (#1410)

* Adding Hello Word

* Adding Hello Word Using X++ Langauage

* Update X++

Changed "Hello world!" to "Hello world"

x/X++.xpp

@@ -0,0 +1,11 @@
+class classHello
+{
+}
+
+static void main(args Args)
+{
+ dialog dialog;
+ dialog = new dialog();
+ dialog.addText("Hello World");
+ dialog.run();
+}