mohanm18

Results 2 issues of mohanm18

# Description Corrected spelling mistake of a folders name which was initially named as _**Facts_Deskop_Notifier**_ and replaced it with _**Facts_Desktop_Notifier**_ . And as a result files inside the folder also...

# HacktoberFest 2023 PR Added C++ solution to TrappingRainwater & PrefixToPostfix problem in C++ folder.