Feat : Career 활동 기록 엔티티 추가

src/main/java/umc/kkijuk/server/careerdetail/domain/CareerDetail.java

@@ -0,0 +1,25 @@
+package umc.kkijuk.server.careerdetail.domain;
+
+import jakarta.persistence.*;
+import lombok.*;
+import umc.kkijuk.server.career.domain.base.BaseEntity;
+
+import java.time.LocalDate;
+
+@Entity
+@Getter
+@Builder
+@AllArgsConstructor(access = AccessLevel.PROTECTED)
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+public class CareerDetail extends BaseEntity {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name="career_detail_id")
+    private Long id;
+    @Column(name="career_detail_name", length = 30)
+    private String name;
+    @Column(name="career_detail_content", length = 800)
+    private String content;
+    @Column(name="career_detail_date")
+    private LocalDate date;
+}