Implemented thymeleaf to new tempalte

src/main/java/com/release11/klaus/controller/EventController.java

@@ -64,6 +64,11 @@ public class EventController {
                 .build();
     }
 
+    @GetMapping("/new/mock")
+    public String getNewMock(Model model){
+        return "mock";
+    }
+
     @ModelAttribute("eventList")
     public List<Event> eventList() {
         return eventList;