Add project files.

Core.Blueprint.Storage/Adapters/BlobStorageFolder.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Core.Blueprint.Storage.Adapters
+{
+    public record BlobStorageFolder
+    {
+        public string Name { get; set; }
+        public List<BlobStorageFolder> SubFolders { get; set; } = [];
+        public List<BlobStorageFilesAdapter> Files { get; set; } = [];
+    }
+    public record BlobStorageFilesAdapter(string Content, string Name, string ContentType, string DownloadUrl);
+}