fix: center import

Author: m-a-king

src/main/java/com/somemore/domains/center/domain/Center.java

@@ -7,6 +7,7 @@
 import jakarta.persistence.GeneratedValue;
 import jakarta.persistence.GenerationType;
 import jakarta.persistence.Id;
+import jakarta.persistence.Lob;
 import lombok.AccessLevel;
 import lombok.Builder;
 import lombok.Getter;