Add project files.

App/WeddingBooth/LifeCycles/CapturedHandler.cs

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+using Microsoft.Extensions.Hosting;
+using System;
+using System.Drawing;
+using System.Drawing.Imaging;
+using System.IO;
+using System.Linq;
+using TheXamlGuy.Framework.Camera;
+using TheXamlGuy.Framework.Core;
+
+namespace WeddingBooth.LifeCycles
+{
+    public class CapturedHandler : IMediatorHandler<Captured>
+    {
+        private readonly IHostEnvironment hostEnvironment;
+
+        public CapturedHandler(IHostEnvironment hostEnvironment)
+        {
+            this.hostEnvironment = hostEnvironment;
+        }
+
+        public void Handle(Captured request)
+        {
+            if (request.Photo is Bitmap bitmap)
+            {
+                using Bitmap writableBitmap = new(bitmap);
+                string directory = Path.Combine(hostEnvironment.ContentRootPath, "Photos");
+                Directory.CreateDirectory(directory);
+
+                ImageCodecInfo encoder = ImageCodecInfo.GetImageEncoders().First(x => x.FormatID == ImageFormat.Jpeg.Guid);
+                EncoderParameters encoderParameters = new() { Param = new[] { new EncoderParameter(Encoder.Quality, 100L) } };
+                writableBitmap.Save($"{directory}\\{DateTime.Now:MMddyyyy-HHmmss}.jpg", encoder, encoderParameters);
+            }
+        }
+    }
+}