add simple endpoint for users

src/main/java/ru/soune/no_copy/dto/UserDTO.java

@@ -0,0 +1,12 @@
+package ru.soune.no_copy.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+@Data
+@AllArgsConstructor
+public class UserDTO {
+    private String fullName;
+    private String email;
+    private boolean isActive;
+}