Merge pull request #273 from AY2425S1-CS2103T-W10-4/branch-UpdateDG-1

Update acknowledgement for Undo and Redo

Author: RadieonAjax

docs/DeveloperGuide.md

@@ -14,6 +14,7 @@ title: Developer Guide
 
 * Our team member isaactodo's iP chatbot code. https://github.com/isaactodo/ip
 * Solution for max sized context menu for Autocomplete feature adapted from https://stackoverflow.com/questions/51272738/javafx-contextmenu-max-size-has-no-effect.
+* Code and idea for Undo and Redo were inspired by the original AB3 Developer Guide.
 * Code for sidebar of UG and DG inspired by ChatGPT.
 
 --------------------------------------------------------------------------------------------------------------------