✨ feat: BaseEntity 추가

src/main/java/com/umc/dream/domain/common/BaseEntity.java

@@ -0,0 +1,24 @@
+package com.umc.dream.domain.common;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.EntityListeners;
+import jakarta.persistence.MappedSuperclass;
+import lombok.Getter;
+import org.springframework.data.annotation.CreatedDate;
+import org.springframework.data.annotation.LastModifiedDate;
+import org.springframework.data.jpa.domain.support.AuditingEntityListener;
+
+import java.time.LocalDateTime;
+
+@Getter
+@MappedSuperclass
+@EntityListeners(AuditingEntityListener.class)
+public abstract class BaseEntity {
+
+    @CreatedDate
+    @Column(updatable = false)
+    private LocalDateTime createdDate;
+
+    @LastModifiedDate
+    private LocalDateTime lastModifiedDate;
+}