Added chat templates (#474)

app/MindWork AI Studio/Chat/ContentText.cs

@@ -125,6 +125,17 @@ public sealed class ContentText : IContent
         return chatThread;
     }
 
+    /// <inheritdoc />
+    public IContent DeepClone()
+    {
+        return new ContentText
+        {
+            Text = this.Text,
+            InitialRemoteWait = this.InitialRemoteWait,
+            IsStreaming = this.IsStreaming,
+        };
+    }
+
     #endregion
     
     /// <summary>