fixed error

ApiEfCoreLibrary/DTO/Loan/Request/CreateLoanDto.cs

@@ -4,4 +4,5 @@ public class CreateLoanDto
 {
     public int BookId { get; set; }
     public int UserId { get; set; }
+    public DateOnly Date { get; set; }
 }

ApiEfCoreLibrary/Endpoints/Loan/CreateLoanEndpoint.cs

@@ -36,8 +36,8 @@ public class CreateLoanEndpoint(LibraryDbContext database) : Endpoint<CreateLoan
         {
             BookId = req.BookId,
             UserId = req.UserId,
-            Date = DateOnly.FromDateTime(DateTime.Now),
+            Date = req.Date,
-            PlannedReturningDate = DateOnly.FromDateTime(DateTime.Now).AddMonths(2)
+            PlannedReturningDate = req.Date.AddMonths(2)
         };
         
         database.Loans.Add(loan);