Add UserController class and log application start messages

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

@@ -7,6 +7,9 @@ import org.springframework.boot.autoconfigure.SpringBootApplication;
 public class DemoApplication {
 
 	public static void main(String[] args) {
+		System.out.println("Start Application");
+		System.out.println("Comment in develop branch");
+		System.out.println("Another comment in develop branch");
 		SpringApplication.run(DemoApplication.class, args);
 	}
 

src/main/java/com/example/demo/domain/UserController.java

@@ -0,0 +1,3 @@
+public class UserController {
+    
+}