new photos controller created

WatchIt.Common/WatchIt.Common.Model/Photos/PhotoBackgroundData.cs

@@ -0,0 +1,19 @@
+using System.Text.Json.Serialization;
+
+namespace WatchIt.Common.Model.Photos;
+
+public class PhotoBackgroundData
+{
+    #region PROPERTIES
+    
+    [JsonPropertyName("is_universal_background")]
+    public required bool IsUniversalBackground { get; set; }
+    
+    [JsonPropertyName("first_gradient_color")]
+    public required byte[] FirstGradientColor { get; set; }
+    
+    [JsonPropertyName("second_gradient_color")]
+    public required byte[] SecondGradientColor { get; set; }
+    
+    #endregion
+}