refactor: relocate options classes to dedicated Options folders

Move configuration options from Core/DataAccess/DataSync/ExcelIO to
dedicated Options folders within each project for better organization.
Update all references and tests accordingly.

NEW/tests/JdeScoping.DataSync.Tests/SyncOrchestratorTests.cs

@@ -1,6 +1,6 @@
 using System.Diagnostics.Metrics;
 using JdeScoping.Core.Models.Enums;
-using JdeScoping.DataSync.Configuration;
+using JdeScoping.DataSync.Options;
 using JdeScoping.DataSync.Contracts;
 using JdeScoping.DataSync.Models;
 using JdeScoping.DataSync.Services;
@@ -27,7 +27,7 @@ public class SyncOrchestratorTests
     public SyncOrchestratorTests()
     {
         _scheduleChecker = Substitute.For<IScheduleChecker>();
-        _options = Options.Create(new DataSyncOptions
+        _options = Microsoft.Extensions.Options.Options.Create(new DataSyncOptions
         {
             MaxDegreeOfParallelism = 4
         });
@@ -176,7 +176,7 @@ public class SyncOrchestratorTests
     public async Task ExecutePendingSyncsAsync_RespectsMaxDegreeOfParallelism()
     {
         // Arrange: Create 10 tasks but limit parallelism to 2
-        var options = Options.Create(new DataSyncOptions
+        var options = Microsoft.Extensions.Options.Options.Create(new DataSyncOptions
         {
             MaxDegreeOfParallelism = 2
         });