Add ES2015 runtime transpilation sample

samples/misc/ES2015Transpilation/Controllers/HomeController.cs

@@ -0,0 +1,18 @@
+using System.Threading.Tasks;
+using Microsoft.AspNet.Mvc;
+
+namespace ES2015Example.Controllers
+{
+    public class HomeController : Controller
+    {
+        public async Task<IActionResult> Index(int pageIndex)
+        {
+            return View();
+        }
+
+        public IActionResult Error()
+        {
+            return View("~/Views/Shared/Error.cshtml");
+        }
+    }
+}