Update Readme.md

Author: SoftStoneDevelop

Documentation/Stack/Readme.md

@@ -81,6 +81,7 @@ Implements
 | [Push(in void*)](https://github.com/SoftStoneDevelop/StackMemoryCollections/blob/main/Documentation/Stack/PushPtr.md)  | All |
 | [TryPush(in {ItemType})](https://github.com/SoftStoneDevelop/StackMemoryCollections/blob/main/Documentation/Stack/TryPush.md)  | All |
 | [TryPush(in void*)](https://github.com/SoftStoneDevelop/StackMemoryCollections/blob/main/Documentation/Stack/TryPushPtr.md)  | All |
+| [PushFuture()](https://github.com/SoftStoneDevelop/StackMemoryCollections/blob/main/Documentation/Stack/PushFuture.md)  | All |
 | [Pop()](https://github.com/SoftStoneDevelop/StackMemoryCollections/blob/main/Documentation/Stack/Pop.md)  | All |
 | [TryPop()](https://github.com/SoftStoneDevelop/StackMemoryCollections/blob/main/Documentation/Stack/TryPop.md)  | All |
 | [Clear()](https://github.com/SoftStoneDevelop/StackMemoryCollections/blob/main/Documentation/Stack/Clear.md)  | All |