Initial commit

Services/IBulkMemberService.cs

@@ -0,0 +1,14 @@
+using Microsoft.SharePoint.Client;
+using SharepointToolbox.Web.Core.Models;
+
+namespace SharepointToolbox.Web.Services;
+
+public interface IBulkMemberService
+{
+    Task<BulkOperationSummary<BulkMemberRow>> AddMembersAsync(
+        ClientContext ctx,
+        TenantProfile profile,
+        IReadOnlyList<BulkMemberRow> rows,
+        IProgress<OperationProgress> progress,
+        CancellationToken ct);
+}