Added user mapper

src/main/java/com/example/usersapi/config/MapperConfig.java

@@ -0,0 +1,13 @@
+package com.example.usersapi.config;
+
+import org.mapstruct.InjectionStrategy;
+import org.mapstruct.NullValueCheckStrategy;
+
+@org.mapstruct.MapperConfig(
+        componentModel = "spring",
+        injectionStrategy = InjectionStrategy.CONSTRUCTOR,
+        nullValueCheckStrategy = NullValueCheckStrategy.ALWAYS,
+        implementationPackage = "<PACKAGE_NAME>.impl"
+)
+public class MapperConfig {
+}

src/main/java/com/example/usersapi/mapper/UserMapper.java

@@ -0,0 +1,17 @@
+package com.example.usersapi.mapper;
+
+import com.example.usersapi.config.MapperConfig;
+import com.example.usersapi.dto.CreateUserRequestDto;
+import com.example.usersapi.dto.UserResponseDto;
+import com.example.usersapi.model.User;
+import org.mapstruct.Mapper;
+import org.mapstruct.Mapping;
+
+@Mapper(config = MapperConfig.class)
+public interface UserMapper {
+    @Mapping(target = "birthDate", source = "birthDate", dateFormat = "dd/MM/yyyy")
+    User toModel(CreateUserRequestDto requestDto);
+
+    @Mapping(target = "birthDate", source = "birthDate", dateFormat = "dd/MM/yyyy")
+    UserResponseDto toDto(User user);
+}