Feature Suggestion: Mark Items Completed - like Todoist

Heya! Really love the app! Super awesome for task tracking.
I do, however, miss the completed button that Todoist offers, which quickly removes/archives a task:

Currently, I have a “Mark Done” bucket to handle this, but as I track/complete lots of tasks day-to-day, it would be great to have a checkbox that quickly completes and hides a task, rather than having to keep adding to the Done bucket, which at this point has hundreds of tasks.

Additional screenshots:

Notification of completion:

image

Additional screenshots:
Compelted/hidden tasks can then be shown via the settings panel, and they appear like so: