refactor(data): merge DTO models into schemas

src/data/schemas/chat/index.ts

@@ -3,9 +3,11 @@
  */
 
 export * from "./chat_lock_type";
+export * from "./chat_media";
 export * from "./chat_message";
 export * from "./chat_payloads";
 export * from "./request/send_message_request";
+export * from "./request/unlock_history_request";
 export * from "./request/unlock_private_request";
 export * from "./response/chat_history_response";
 export * from "./response/chat_send_response";