POC: Add /remind_me quick action
What does this MR do and why?
This proof-of-concept adds a new quick action /remind_me <date in future>
that will create a Notification/ToDo at the scheduled time. It uses scheduled Sidekiq jobs to create a ToDo
for the user. It was built in this manner as an exercise in a fast
Screenshots
Command hinting
Reminder set
ToDo
Related to #20490
Edited by Kerri Miller