[BOOK-379] feat: data layer 단에서 optional로 rq/rsp 둘 다 가능하도록 DTO 수정

Author: doyeonk429

src/Projects/BKData/Sources/DTO/Request/InsertRecordRequestDTO.swift

@@ -6,13 +6,13 @@ import Foundation
 struct InsertRecordRequestDTO: Encodable {
     let pageNumber: Int
     let quote: String
-    let review: String
+    let review: String?
     let emotionTags: [String]
 
     init(
         pageNumber: Int,
         quote: String,
-        review: String,
+        review: String?,
         emotionTags: [String]
     ) {
         self.pageNumber = pageNumber

src/Projects/BKData/Sources/DTO/Response/DetailRecordResponseDTO.swift

@@ -8,7 +8,7 @@ public struct DetailRecordResponseDTO: Decodable {
     public let userBookId: String
     public let pageNumber: Int
     public let quote: String
-    public let review: String
+    public let review: String?
     public let emotionTags: [Emotion]
     public let createdAt: String
     public let updatedAt: String

src/Projects/BKData/Sources/DTO/Response/InsertRecordResponseDTO.swift

@@ -8,7 +8,7 @@ public struct InsertRecordResponseDTO: Decodable {
     let userBookId: String
     let pageNumber: Int
     let quote: String
-    let review: String
+    let review: String?
     let emotionTags: [Emotion]
     let createdAt: String
     let updatedAt: String