Add H++ (#1421)

* Add H++

* Update readme

h/H++.hpp

@@ -0,0 +1,15 @@
+import "stdhpp\stdapi.hcc";
+
+using printf = Console::WriteLn;
+
+namespace
+{
+    class Application
+    {
+        public static void main()
+        {
+            printf("Hello World");
+            return;
+        }
+    };
+};