Add global image tags and tag assignment

src/main/kotlin/com/android/trisolarisserver/controller/dto/RoomDtos.kt

@@ -39,7 +39,7 @@ data class RoomImageResponse(
     val thumbnailUrl: String,
     val contentType: String,
     val sizeBytes: Long,
-    val tags: Set<String>,
+    val tags: Set<RoomImageTagResponse>,
     val roomSortOrder: Int,
     val roomTypeSortOrder: Int,
     val createdAt: String
@@ -65,3 +65,16 @@ data class RoomUpsertRequest(
 data class RoomImageReorderRequest(
     val imageIds: List<UUID>
 )
+
+data class RoomImageTagUpsertRequest(
+    val name: String
+)
+
+data class RoomImageTagResponse(
+    val id: UUID,
+    val name: String
+)
+
+data class RoomImageTagUpdateRequest(
+    val tagIds: Set<UUID>
+)