Added domain package with UseEntity class

src/main/java/domain/UserEntity.java

@@ -0,0 +1,4 @@
+package domain;
+
+public class UserEntity {
+}

src/main/java/org/example/Main.java

@@ -6,6 +6,7 @@ import org.springframework.boot.SpringApplication;
 public class Main {
     public static void main(String[] args) {
         System.out.println("Start application");
+        System.out.println("Start application 3");
         SpringApplication.run(Main.class, args);
     }
 }