chore: import upstream snapshot with attribution

Operators/Lib/numbers/float/basic/Add.cs

@@ -0,0 +1,34 @@
+namespace Lib.numbers.@float.basic;
+
+[Guid("c160f925-0a66-4505-a569-cadd878dbb6f")]
+internal sealed class Add : Instance<Add>
+{
+    [Output(Guid = "{5CE9C625-F890-4620-9747-C98EAB4B9447}")]
+    public readonly Slot<float> Result = new();
+
+    //         [Output(Guid = "{DF114783-6C8D-47E2-99B0-8C97217657A5}")]
+    //         public readonly Slot<float> Result2 = new Slot<float>();
+
+    public Add()
+    {
+        Result.UpdateAction += Update;
+    }
+
+    private void Update(EvaluationContext context)
+    {
+        Result.Value = Input1.GetValue(context) + Input2.GetValue(context);
+    }
+
+
+    [Input(Guid = "{E3550929-8905-4CDF-BC85-C31E97DA4BAA}")]
+    public readonly InputSlot<float> Input1 = new();
+
+    [Input(Guid = "{993D59BB-1FC0-4857-A36D-629B0E7AA0D2}")]
+    public readonly InputSlot<float> Input2 = new();
+
+    //         [Input(Guid = "{D7478BAA-41B4-4F83-873B-6267AA93BFA9}")]
+    //         public readonly InputSlot<float> Input3 = new InputSlot<float>();
+    // 
+    //         [Input(Guid = "{99A53560-8F62-4240-9ED4-800525CF2EF3}")]
+    //         public readonly InputSlot<float> Input4 = new InputSlot<float>();
+}