Add "ALL" Option for Randomized Operation Selection#3

MustafaGondalwala wants to merge 1 commit intojhc13:mainjhc13/mental-math-trainer:mainfrom

MustafaGondalwala:feat/add-all-math-problems-in-one-setMustafaGondalwala/mental-math-trainer:feat/add-all-math-problems-in-one-setCopy head branch name to clipboard