Summary
W web view to add/remove/edit CRON entries
Problem
That would be useful if a user would want to change the default timing of updates, diagnostics etc.
And would also allow to run other commands on timely settings
Solution
A web view for listing existing crontab contents and a save button.
Screenshots/Layouts
Here are some very simple examples from one of hosting providers
Alternatives
More advanced users can of course use CLI over SSH.
Tasks
?