feat/#95 :: Data에 toDTO extension 추가

Co-Authored-By: Youngkyu Song <[email protected]>

PhotoGether/DataLayer/PhotoGetherData/PhotoGetherData/Extension/Data+toDTO.swift

@@ -1,7 +1,7 @@
 import Foundation
 
 public extension Data {
-    func toDTO(type: Decodable.Type) -> Decodable? {
+    func toDTO<T: Decodable>(type: T.Type) -> T? {
         return try? JSONDecoder().decode(type, from: self)
     }
 }