As a user I can view my completed tasks so that I can move them to uncompleted if I have clicked complete by mistake or to reflect on the progress that I have made.
Acceptance Criteria
[x] When I am on the tasks page, then I have the option to view any completed tasks
[x] When I click on the 'completed tasks' tab, then I can view a list of all my completed tasks
[x] When I click complete on a task, then they are moved into this tab
[x] If I have accidentally clicked 'complete' on a task, then I can untick the box
[x] Then the uncompleted task will move back to the 'uncompleted tasks' tab
Acceptance Criteria
Epic: #10