Add Versionning for bundle backtest request

src/Managing.Domain/Backtests/BundleBacktestRequest.cs

@@ -72,6 +72,12 @@ public class BundleBacktestRequest
     [Required]
     public string Name { get; set; }
 
+    /// <summary>
+    /// Version number for the bundle backtest request (auto-incremented for same names)
+    /// </summary>
+    [Required]
+    public int Version { get; set; } = 1;
+
     /// <summary>
     /// The universal configuration that applies to all backtests (serialized as JSON)
     /// </summary>