feat: host 키워드 필드 추가

Author: HuitaePark

src/main/java/com/waitit/capstone/domain/store/dto/StoreDetailResponse.java

@@ -10,6 +10,7 @@ public class StoreDetailResponse {
     private Long id;
     private String name;
     private String description;
+    private String keyword; // keyword 필드 추가
     private List<String> images;
     private LocationDto location;
     private OperatingHoursDto operating_hours;

src/main/java/com/waitit/capstone/domain/store/service/StoreService.java

@@ -96,6 +96,7 @@ private StoreDetailResponse toDetailResponse(Host host) {
                 .id(host.getId())
                 .name(host.getHostName())
                 .description(host.getDescription())
+                .keyword(host.getKeyword()) // keyword 매핑 추가
                 .images(imageUrls)
                 .location(locationDto)
                 .operating_hours(operatingHoursDto)