UserController annotated as @RestController

src/main/java/com/example/demo/DemoApplication.java

@@ -14,6 +14,7 @@ public class DemoApplication {
 		System.out.println("Main message");
 		System.out.println("Feature 1 message");
 		System.out.println("Feature 2 message");
+		System.out.println("Zmiana kolejna");
     System.out.println(new Date());
 		SpringApplication.run(DemoApplication.class, args);
 	}