Record Todos, Events and Deadlines.
todo <desc>
event <desc> at <dd/mm/yy hhmm>
deadline <desc> by <dd/mm/yy hhmm>
todo finish up 2103 ip duke
deadline submit post lecture quiz by 22/11/2019 2359
event prom at 11/11/2011 2000
Expected outcome:
A confirmation message about the item being recorded.
List all todos/events/deadlines
ls|list
Expected outcome:
A list of recorded items, in ascending chronological order.
Mark an item as done, and remove it
done <index>
delete|rm <index>
list # a list of items shown
done 2
rm 2 # an alias
remove 1 # even if not done
ls # 1 and 2 gone.
Expected outcome:
Item is deleted from memory.