FileWork examples were added

DataAccess/FileDialogs/ProgramExample.cs

@@ -0,0 +1,62 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DataAccess.FileDialogs
+{
+    using System;
+    using System.IO;
+    using System.Text;
+    using System.Threading.Tasks;
+
+    class ProgramExample
+    {
+        static async Task Main(string[] args)
+        {
+            string storagePath = Path.Combine(Environment.CurrentDirectory, "UserFiles");
+            IFileRepository fileRepository = new FileRepository(storagePath);
+
+            // Save a file
+            string fileName = "example.txt";
+            using (var fileStream = new MemoryStream(Encoding.UTF8.GetBytes("Hello, World!")))
+            {
+                await fileRepository.SaveFileAsync(fileStream, fileName);
+                Console.WriteLine($"File '{fileName}' saved.");
+            }
+
+            // Retrieve a file
+            using (Stream retrievedFile = await fileRepository.GetFileAsync(fileName))
+            {
+                using (var reader = new StreamReader(retrievedFile))
+                {
+                    string content = await reader.ReadToEndAsync();
+                    Console.WriteLine($"Retrieved file content: {content}");
+                }
+            }
+
+            // Update a file
+            using (var updateStream = new MemoryStream(Encoding.UTF8.GetBytes("Updated content!")))
+            {
+                await fileRepository.UpdateFileAsync(updateStream, fileName);
+                Console.WriteLine($"File '{fileName}' updated.");
+            }
+
+            // Retrieve updated file
+            using (Stream updatedFile = await fileRepository.GetFileAsync(fileName))
+            {
+                using (var reader = new StreamReader(updatedFile))
+                {
+                    string updatedContent = await reader.ReadToEndAsync();
+                    Console.WriteLine($"Updated file content: {updatedContent}");
+                }
+            }
+
+            // Delete a file
+            await fileRepository.DeleteFileAsync(fileName);
+            Console.WriteLine($"File '{fileName}' deleted.");
+        }
+    }
+
+}